bluetooth spausdintuvas kaina (puslapis 4)
Į parduotuvęSpausdintuvaiSpausdintuvas Zebra ZT231, 8 dots/mm (203 dpi), peeler, display, EPL, ZPL, ZPLII, USB, USB Host, RS232, BT (BLE), Tinklinis
Nuo1216.26 €![varle.lt](https://kainoteka-public.s3.eu-central-1.amazonaws.com/shops/356/ZXxQjMK5la36TPV78BAL3i6yblsOAqP6xSHsEYmQ.jpg)
Į parduotuvęSpausdintuvaiSpausdintuvas Zebra ZT231, 8 dots/mm (203 dpi), peeler, display, EPL, ZPL, ZPLII, USB, USB Host, RS232, BT (BLE), Tinklinis
Nuo1139.11 €![varle.lt](https://kainoteka-public.s3.eu-central-1.amazonaws.com/shops/356/ZXxQjMK5la36TPV78BAL3i6yblsOAqP6xSHsEYmQ.jpg)
Į parduotuvęSpausdintuvaiSpausdintuvas Zebra ZT231, 8 dots/mm (203 dpi), peeler, LTU, display, EPL, ZPL, ZPLII, USB, USB Host, RS232, BT (BLE), Tinklinis
Nuo1279.27 €![varle.lt](https://kainoteka-public.s3.eu-central-1.amazonaws.com/shops/356/ZXxQjMK5la36TPV78BAL3i6yblsOAqP6xSHsEYmQ.jpg)
Į parduotuvęSpausdintuvaiSpausdintuvas Zebra ZT231, 8 dots/mm (203 dpi), peeler, LTU, display, EPL, ZPL, ZPLII, USB, USB Host, RS232, BT (BLE), Tinklinis
Nuo1367.00 €![varle.lt](https://kainoteka-public.s3.eu-central-1.amazonaws.com/shops/356/ZXxQjMK5la36TPV78BAL3i6yblsOAqP6xSHsEYmQ.jpg)
Į parduotuvęSpausdintuvaiSpausdintuvas Zebra ZT231, 8 dots/mm (203 dpi), display, EPL, ZPL, ZPLII, USB, USB Host, RS232, BT (BLE), Tinklinis, Wi-Fi
Nuo1336.75 €![varle.lt](https://kainoteka-public.s3.eu-central-1.amazonaws.com/shops/356/ZXxQjMK5la36TPV78BAL3i6yblsOAqP6xSHsEYmQ.jpg)
SpausdintuvaiSpausdintuvas Zebra ZT231, 8 dots/mm (203 dpi), display, EPL, ZPL, ZPLII, USB, USB Host, RS232, BT (BLE), Tinklinis, Wi-Fi
Nuo839.99 €
1 parduotuvė
Į parduotuvęSpausdintuvaiSpausdintuvas Zebra ZT231, 8 dots/mm (203 dpi), display, EPL, ZPL, ZPLII, USB, USB Host, RS232, BT (BLE), Tinklinis
Nuo982.82 €![varle.lt](https://kainoteka-public.s3.eu-central-1.amazonaws.com/shops/356/ZXxQjMK5la36TPV78BAL3i6yblsOAqP6xSHsEYmQ.jpg)
Į parduotuvęSpausdintuvaiSpausdintuvas Zebra ZT231, 8 dots/mm (203 dpi), display, EPL, ZPL, ZPLII, USB, USB Host, RS232, BT (BLE), Tinklinis
Nuo1070.46 €![varle.lt](https://kainoteka-public.s3.eu-central-1.amazonaws.com/shops/356/ZXxQjMK5la36TPV78BAL3i6yblsOAqP6xSHsEYmQ.jpg)
Į parduotuvęSpausdintuvaiSpausdintuvas Zebra ZT231, 8 dots/mm (203 dpi), cutter, display, EPL, ZPL, ZPLII, USB, USB Host, RS232, BT (BLE), Tinklinis
Nuo1395.74 €![varle.lt](https://kainoteka-public.s3.eu-central-1.amazonaws.com/shops/356/ZXxQjMK5la36TPV78BAL3i6yblsOAqP6xSHsEYmQ.jpg)
Į parduotuvęSpausdintuvaiSpausdintuvas Zebra ZT231, 8 dots/mm (203 dpi), cutter, display, EPL, ZPL, ZPLII, USB, USB Host, RS232, BT (BLE), Tinklinis
Nuo1483.61 €![varle.lt](https://kainoteka-public.s3.eu-central-1.amazonaws.com/shops/356/ZXxQjMK5la36TPV78BAL3i6yblsOAqP6xSHsEYmQ.jpg)
Į parduotuvęSpausdintuvaiSpausdintuvas Zebra ZT231, 12 dots/mm (300 dpi), peeler, display, EPL, ZPL, ZPLII, USB, USB Host, RS232, BT (BLE), Tinklinis
Nuo1507.66 €![varle.lt](https://kainoteka-public.s3.eu-central-1.amazonaws.com/shops/356/ZXxQjMK5la36TPV78BAL3i6yblsOAqP6xSHsEYmQ.jpg)
Į parduotuvęSpausdintuvaiSpausdintuvas Zebra ZT231, 12 dots/mm (300 dpi), peeler, LTU, display, EPL, ZPL, ZPLII, USB, USB Host, RS232, BT (BLE), Tinklinis
Nuo1658.91 €![varle.lt](https://kainoteka-public.s3.eu-central-1.amazonaws.com/shops/356/ZXxQjMK5la36TPV78BAL3i6yblsOAqP6xSHsEYmQ.jpg)
Į parduotuvęSpausdintuvaiSpausdintuvas Zebra ZT231, 12 dots/mm (300 dpi), peeler, LTU, display, EPL, ZPL, ZPLII, USB, USB Host, RS232, BT (BLE), Tinklinis
Nuo1571.81 €![varle.lt](https://kainoteka-public.s3.eu-central-1.amazonaws.com/shops/356/ZXxQjMK5la36TPV78BAL3i6yblsOAqP6xSHsEYmQ.jpg)
Į parduotuvęSpausdintuvaiSpausdintuvas Zebra ZT231, 12 dots/mm (300 dpi), display, EPL, ZPL, ZPLII, USB, USB Host, RS232, BT (BLE), Tinklinis, Wi-Fi
Nuo1716.39 €![varle.lt](https://kainoteka-public.s3.eu-central-1.amazonaws.com/shops/356/ZXxQjMK5la36TPV78BAL3i6yblsOAqP6xSHsEYmQ.jpg)
Į parduotuvęSpausdintuvaiSpausdintuvas Zebra ZT231, 12 dots/mm (300 dpi), display, EPL, ZPL, ZPLII, USB, USB Host, RS232, BT (BLE), Tinklinis
Nuo1360.95 €![varle.lt](https://kainoteka-public.s3.eu-central-1.amazonaws.com/shops/356/ZXxQjMK5la36TPV78BAL3i6yblsOAqP6xSHsEYmQ.jpg)
Į parduotuvęSpausdintuvaiSpausdintuvas Zebra ZT231, 12 dots/mm (300 dpi), display, EPL, ZPL, ZPLII, USB, RS232, Tinklinis
Nuo1274.74 €![varle.lt](https://kainoteka-public.s3.eu-central-1.amazonaws.com/shops/356/ZXxQjMK5la36TPV78BAL3i6yblsOAqP6xSHsEYmQ.jpg)
Į parduotuvęSpausdintuvaiSpausdintuvas Zebra ZT231, 12 dots/mm (300 dpi), cutter, display, EPL, ZPL, ZPLII, USB, USB Host, RS232, BT (BLE), Tinklinis
Nuo1790.94 €![varle.lt](https://kainoteka-public.s3.eu-central-1.amazonaws.com/shops/356/ZXxQjMK5la36TPV78BAL3i6yblsOAqP6xSHsEYmQ.jpg)
SpausdintuvaiSpausdintuvas Zebra ZT111, 8 dots/mm (203 dpi), EPL, ZPL, ZPLII, USB, USB Host, RS232, BT (BLE), Tinklinis
Nuo822.50 €
1 parduotuvė
Į parduotuvęSpausdintuvaiSpausdintuvas Zebra ZT111, 8 dots/mm (203 dpi), EPL, EPLII, ZPL, ZPLII, USB, USB Host, RS232, BT (BLE), Tinklinis
Nuo749.90 €![varle.lt](https://kainoteka-public.s3.eu-central-1.amazonaws.com/shops/356/ZXxQjMK5la36TPV78BAL3i6yblsOAqP6xSHsEYmQ.jpg)
Į parduotuvęSpausdintuvaiSpausdintuvas Zebra ZT111, 12 dots/mm (300 dpi), ZPLII, USB, USB Host, RS232, BT (BLE), Tinklinis
Nuo1025.17 €![varle.lt](https://kainoteka-public.s3.eu-central-1.amazonaws.com/shops/356/ZXxQjMK5la36TPV78BAL3i6yblsOAqP6xSHsEYmQ.jpg)
Į parduotuvęSpausdintuvaiSpausdintuvas Zebra ZQ630 Plus, 19mm Core, RS232, BT (BLE), Wi-Fi, 8 dots/mm (203 dpi), RFID
Nuo2283.69 €![varle.lt](https://kainoteka-public.s3.eu-central-1.amazonaws.com/shops/356/ZXxQjMK5la36TPV78BAL3i6yblsOAqP6xSHsEYmQ.jpg)
Į parduotuvęSpausdintuvaiSpausdintuvas Zebra ZQ630 Plus, 19mm Core, RS232, BT (BLE), Wi-Fi, 8 dots/mm (203 dpi)
Nuo1502.22 €![varle.lt](https://kainoteka-public.s3.eu-central-1.amazonaws.com/shops/356/ZXxQjMK5la36TPV78BAL3i6yblsOAqP6xSHsEYmQ.jpg)
Į parduotuvęSpausdintuvaiSpausdintuvas Zebra ZQ630 Plus core 34.9mm, BT, Wi-Fi, 8 dots/mm (203 dpi), linerless, LTS, disp., EPL, ZPL, ZPLII, CPCL
Nuo1540.48 €![varle.lt](https://kainoteka-public.s3.eu-central-1.amazonaws.com/shops/356/ZXxQjMK5la36TPV78BAL3i6yblsOAqP6xSHsEYmQ.jpg)
Į parduotuvęSpausdintuvaiSpausdintuvas Zebra ZQ630 PLus, 19mm Core, RS232, BT (BLE), 8 dots/mm (203 dpi)
Nuo1338.37 €![varle.lt](https://kainoteka-public.s3.eu-central-1.amazonaws.com/shops/356/ZXxQjMK5la36TPV78BAL3i6yblsOAqP6xSHsEYmQ.jpg)
Į parduotuvęSpausdintuvaiSpausdintuvas Zebra ZQ620 Plus, Healthcare, 19mm Core, RS232, BT (BLE), Wi-Fi, 8 dots/mm (203 dpi)
Nuo1275.43 €![varle.lt](https://kainoteka-public.s3.eu-central-1.amazonaws.com/shops/356/ZXxQjMK5la36TPV78BAL3i6yblsOAqP6xSHsEYmQ.jpg)
Į parduotuvęSpausdintuvaiSpausdintuvas Zebra ZQ620 Plus, BT, Wi-Fi, 8 dots/mm (203 dpi), linerless, LTS, disp., EPL, ZPL, ZPLII, CPCL
Nuo1292.89 €![varle.lt](https://kainoteka-public.s3.eu-central-1.amazonaws.com/shops/356/ZXxQjMK5la36TPV78BAL3i6yblsOAqP6xSHsEYmQ.jpg)
Į parduotuvęSpausdintuvaiSpausdintuvas Zebra ZQ620 Plus, 19mm Core, RS232, BT (BLE), Wi-Fi, 8 dots/mm (203 dpi), disp. (colour)
Nuo1241.79 €![varle.lt](https://kainoteka-public.s3.eu-central-1.amazonaws.com/shops/356/ZXxQjMK5la36TPV78BAL3i6yblsOAqP6xSHsEYmQ.jpg)
Į parduotuvęSpausdintuvaiSpausdintuvas Zebra ZQ620 PLus, 19mm Core, RS232, BT (BLE), 8 dots/mm (203 dpi)
Nuo1099.65 €![varle.lt](https://kainoteka-public.s3.eu-central-1.amazonaws.com/shops/356/ZXxQjMK5la36TPV78BAL3i6yblsOAqP6xSHsEYmQ.jpg)
SpausdintuvaiSpausdintuvas Zebra ZQ620 DT PRINT 3IN ENG DUAL/802.11 BT E STRAP BATT WIDTH SEN IN
Nuo1125.99 €
1 parduotuvė
Į parduotuvęSpausdintuvaiSpausdintuvas Zebra ZQ610 PLus, Healthcare, 19mm Core, RS232, BT (BLE), Wi-Fi, 8 dots/mm (203 dpi)
Nuo1151.72 €![varle.lt](https://kainoteka-public.s3.eu-central-1.amazonaws.com/shops/356/ZXxQjMK5la36TPV78BAL3i6yblsOAqP6xSHsEYmQ.jpg)
Į parduotuvęSpausdintuvaiSpausdintuvas Zebra ZQ610 PLus, 19mm Core, RS232, BT (BLE), Wi-Fi, 8 dots/mm (203 dpi)
Nuo1133.29 €![varle.lt](https://kainoteka-public.s3.eu-central-1.amazonaws.com/shops/356/ZXxQjMK5la36TPV78BAL3i6yblsOAqP6xSHsEYmQ.jpg)
Į parduotuvęSpausdintuvaiSpausdintuvas Zebra ZQ610 PLus, 19mm Core, RS232, BT (BLE), 8 dots/mm (203 dpi)
Nuo1001.09 €![varle.lt](https://kainoteka-public.s3.eu-central-1.amazonaws.com/shops/356/ZXxQjMK5la36TPV78BAL3i6yblsOAqP6xSHsEYmQ.jpg)
Į parduotuvęSpausdintuvaiSpausdintuvas Zebra ZQ600 Series, 8 dots/mm (203 dpi), RS232, BT (BLE), Wi-Fi, ext. bat.
Nuo1331.08 €![varle.lt](https://kainoteka-public.s3.eu-central-1.amazonaws.com/shops/356/ZXxQjMK5la36TPV78BAL3i6yblsOAqP6xSHsEYmQ.jpg)
Į parduotuvęSpausdintuvaiSpausdintuvas Zebra ZQ521, BT, Wi-Fi, 8 dots/mm (203 dpi), linerless, display
Nuo1281.69 €![varle.lt](https://kainoteka-public.s3.eu-central-1.amazonaws.com/shops/356/ZXxQjMK5la36TPV78BAL3i6yblsOAqP6xSHsEYmQ.jpg)
Į parduotuvęSpausdintuvaiSpausdintuvas Zebra ZQ521, BT, Wi-Fi, 8 dots/mm (203 dpi), display
Nuo1173.87 €![varle.lt](https://kainoteka-public.s3.eu-central-1.amazonaws.com/shops/356/ZXxQjMK5la36TPV78BAL3i6yblsOAqP6xSHsEYmQ.jpg)
Į parduotuvęSpausdintuvaiSpausdintuvas Zebra ZQ521, BT, Wi-Fi, 8 dots/mm (203 dpi), display
Nuo1223.31 €![varle.lt](https://kainoteka-public.s3.eu-central-1.amazonaws.com/shops/356/ZXxQjMK5la36TPV78BAL3i6yblsOAqP6xSHsEYmQ.jpg)
Į parduotuvęSpausdintuvaiSpausdintuvas Zebra ZQ521, BT, 8 dots/mm (203 dpi), linerless, display
Nuo1115.92 €![varle.lt](https://kainoteka-public.s3.eu-central-1.amazonaws.com/shops/356/ZXxQjMK5la36TPV78BAL3i6yblsOAqP6xSHsEYmQ.jpg)
Į parduotuvęSpausdintuvaiSpausdintuvas Zebra ZQ511, BT, Wi-Fi, 8 dots/mm (203 dpi), display, RFID
Nuo1940.24 €![varle.lt](https://kainoteka-public.s3.eu-central-1.amazonaws.com/shops/356/ZXxQjMK5la36TPV78BAL3i6yblsOAqP6xSHsEYmQ.jpg)
Į parduotuvęSpausdintuvaiSpausdintuvas Zebra ZQ511, BT, 8 dots/mm (203 dpi), linerless, display
Nuo908.71 €![varle.lt](https://kainoteka-public.s3.eu-central-1.amazonaws.com/shops/356/ZXxQjMK5la36TPV78BAL3i6yblsOAqP6xSHsEYmQ.jpg)
Į parduotuvęSpausdintuvaiSpausdintuvas Zebra ZQ500 Series, 8 dots/mm (203 dpi), display, RFID, BT, Wi-Fi
Nuo2108.29 €![varle.lt](https://kainoteka-public.s3.eu-central-1.amazonaws.com/shops/356/ZXxQjMK5la36TPV78BAL3i6yblsOAqP6xSHsEYmQ.jpg)
Į parduotuvęSpausdintuvaiSpausdintuvas Zebra ZQ500 Mobile Printers
Nuo1001.59 €![varle.lt](https://kainoteka-public.s3.eu-central-1.amazonaws.com/shops/356/ZXxQjMK5la36TPV78BAL3i6yblsOAqP6xSHsEYmQ.jpg)
Į parduotuvęSpausdintuvaiSpausdintuvas Zebra ZQ500 Mobile Printers
Nuo803.29 €![varle.lt](https://kainoteka-public.s3.eu-central-1.amazonaws.com/shops/356/ZXxQjMK5la36TPV78BAL3i6yblsOAqP6xSHsEYmQ.jpg)
Į parduotuvęSpausdintuvaiSpausdintuvas Zebra ZQ320 Plus, Outdoor, USB-C, BT (BLE), Wi-Fi, NFC, 8 dots/mm (203 dpi)
Nuo608.66 €![varle.lt](https://kainoteka-public.s3.eu-central-1.amazonaws.com/shops/356/ZXxQjMK5la36TPV78BAL3i6yblsOAqP6xSHsEYmQ.jpg)
Į parduotuvęSpausdintuvaiSpausdintuvas Zebra ZQ320 Plus, Outdoor, USB-C, BT (BLE), NFC, 8 dots/mm (203 dpi)
Nuo533.25 €![varle.lt](https://kainoteka-public.s3.eu-central-1.amazonaws.com/shops/356/ZXxQjMK5la36TPV78BAL3i6yblsOAqP6xSHsEYmQ.jpg)
Į parduotuvęSpausdintuvaiSpausdintuvas Zebra ZQ320 Plus, Indoor, USB-C, BT (BLE), Wi-Fi, NFC, 8 dots/mm (203 dpi)
Nuo667.78 €![varle.lt](https://kainoteka-public.s3.eu-central-1.amazonaws.com/shops/356/ZXxQjMK5la36TPV78BAL3i6yblsOAqP6xSHsEYmQ.jpg)
Į parduotuvęSpausdintuvaiSpausdintuvas Zebra ZQ310 Plus, Outdoor, USB-C, BT (BLE), NFC, 8 dots/mm (203 dpi)
Nuo469.07 €![varle.lt](https://kainoteka-public.s3.eu-central-1.amazonaws.com/shops/356/ZXxQjMK5la36TPV78BAL3i6yblsOAqP6xSHsEYmQ.jpg)
Į parduotuvęSpausdintuvaiSpausdintuvas Zebra ZQ310 Plus, Linerless, 8 dots/mm (203 dpi), USB-C, BT (BLE), NFC, kit (USB)
Nuo527.71 €![varle.lt](https://kainoteka-public.s3.eu-central-1.amazonaws.com/shops/356/ZXxQjMK5la36TPV78BAL3i6yblsOAqP6xSHsEYmQ.jpg)
Į parduotuvęSpausdintuvaiSpausdintuvas Zebra ZQ310 Plus, Indoor, USB-C, BT (BLE), Wi-Fi, NFC, 8 dots/mm (203 dpi)
Nuo573.72 €![varle.lt](https://kainoteka-public.s3.eu-central-1.amazonaws.com/shops/356/ZXxQjMK5la36TPV78BAL3i6yblsOAqP6xSHsEYmQ.jpg)
Į parduotuvęSpausdintuvaiSpausdintuvas Zebra ZQ310 Plus, Indoor, USB-C, BT (BLE), NFC, 8 dots/mm (203 dpi)
Nuo564.30 €![varle.lt](https://kainoteka-public.s3.eu-central-1.amazonaws.com/shops/356/ZXxQjMK5la36TPV78BAL3i6yblsOAqP6xSHsEYmQ.jpg)
Į parduotuvęSpausdintuvaiSpausdintuvas Zebra ZQ220 Plus, 8 dots/mm (203 dpi), CPCL, USB, BT, NFC, juodas
Nuo180.82 €![varle.lt](https://kainoteka-public.s3.eu-central-1.amazonaws.com/shops/356/ZXxQjMK5la36TPV78BAL3i6yblsOAqP6xSHsEYmQ.jpg)
Į parduotuvęSpausdintuvaiSpausdintuvas Zebra ZQ200 Mobile Printers
Nuo318.21 €![varle.lt](https://kainoteka-public.s3.eu-central-1.amazonaws.com/shops/356/ZXxQjMK5la36TPV78BAL3i6yblsOAqP6xSHsEYmQ.jpg)
Į parduotuvęSpausdintuvaiSpausdintuvas Zebra ZD621t, 8 dots/mm (203 dpi), peeler, disp. (colour), RTC, USB, USB Host, RS232, BT, Tinklinis, Wi-Fi, pilkas
Nuo1030.65 €![varle.lt](https://kainoteka-public.s3.eu-central-1.amazonaws.com/shops/356/ZXxQjMK5la36TPV78BAL3i6yblsOAqP6xSHsEYmQ.jpg)
Į parduotuvęSpausdintuvaiSpausdintuvas Zebra ZD621t, 8 dots/mm (203 dpi), peeler, RTC, USB, USB Host, RS232, BT (BLE), Tinklinis, pilkas
Nuo750.88 €![varle.lt](https://kainoteka-public.s3.eu-central-1.amazonaws.com/shops/356/ZXxQjMK5la36TPV78BAL3i6yblsOAqP6xSHsEYmQ.jpg)
Į parduotuvęSpausdintuvaiSpausdintuvas Zebra ZD621t, 8 dots/mm (203 dpi), cutter, disp. (colour), RTC, USB, USB Host, RS232, BT, Tinklinis, Wi-Fi, pilkas
Nuo1175.71 €![varle.lt](https://kainoteka-public.s3.eu-central-1.amazonaws.com/shops/356/ZXxQjMK5la36TPV78BAL3i6yblsOAqP6xSHsEYmQ.jpg)
Į parduotuvęSpausdintuvaiSpausdintuvas Zebra ZD621t, 12 dots/mm (300 dpi), peeler, disp. (colour), RTC, USB, USB Host, RS232, BT, Tinklinis, Wi-Fi, pilkas
Nuo1121.64 €![varle.lt](https://kainoteka-public.s3.eu-central-1.amazonaws.com/shops/356/ZXxQjMK5la36TPV78BAL3i6yblsOAqP6xSHsEYmQ.jpg)
Į parduotuvęSpausdintuvaiSpausdintuvas Zebra ZD621t, 12 dots/mm (300 dpi), cutter, disp. (colour), RTC, USB, USB Host, RS232, BT (BLE), Tinklinis, pilkas
Nuo1075.07 €![varle.lt](https://kainoteka-public.s3.eu-central-1.amazonaws.com/shops/356/ZXxQjMK5la36TPV78BAL3i6yblsOAqP6xSHsEYmQ.jpg)
Į parduotuvęSpausdintuvaiSpausdintuvas Zebra ZD621t, 12 dots/mm (300 dpi), RTC, USB, USB Host, RS232, BT, Tinklinis, Wi-Fi, pilkas
Nuo962.30 €![varle.lt](https://kainoteka-public.s3.eu-central-1.amazonaws.com/shops/356/ZXxQjMK5la36TPV78BAL3i6yblsOAqP6xSHsEYmQ.jpg)
Į parduotuvęSpausdintuvaiSpausdintuvas Zebra ZD621t Healthcare, 12 dots/mm (300 dpi), disp. (colour), RTC, USB, USB Host, RS232, BT, Tinklinis, Wi-Fi, baltas
Nuo1142.72 €![varle.lt](https://kainoteka-public.s3.eu-central-1.amazonaws.com/shops/356/ZXxQjMK5la36TPV78BAL3i6yblsOAqP6xSHsEYmQ.jpg)
Etikečių spausdintuvaiSpausdintuvas Zebra ZD621t 300 dpi (74/300M), LED piktogramos, USB USB priegloba, Tinklinis
Nuo529.00 €
3 parduotuvės
SpausdintuvaiSpausdintuvas Zebra ZD621t 203dpi (74/300M),LED piktogramos,USB prievadas,Tinklinis
Nuo655.99 €
1 parduotuvė