Zebra ZQ521, BT, Wi-Fi, 8 dots/mm (203 dpi), linerless, display - mobile printer, direct thermal, 8 dots/mm (203 dpi), media width (max.): 113mm, print width (max.): 104 mm, roll diameter (max.): 57 mm, speed (max.): 127 mm/s, Bluetooth, Wi-Fi (802.11ac), linerless platen, LCD Display, Black Mark Sensor, Gap Sensor, incl.: battery, 3250mAh