Features: 1. Support various of intelligent terminal , PDA printing 2. Support one dimensional code, QR code, image, curves printing 3. Water proof, dust proof IP54 ( can work even in heavy rainstorm weather) 4. Resist fall 2.0 concrete 5. CCC, CE, FCC certificate 6. Fast charging, finish charging in 3 hours. Support dual charging( adaptor fast charging, USB slow charging to meet clients demand of using while charging) 7. Compatible for black mark paper, gap label, sucessive paper, non-bottom paper, seam paper 8. Support button function Product Parameters RAM: 8MB FLASH: 4MB Display: OLED single color:Blue auto cutter: NA cutter: support Printing method: thermal line Effective printing width: 72mm Resolution: 203dpi Printing speed: 90mm/s(MAX) Paper width: MAXï¼?80mm Label height: height min 20mm max250mm Paper warehouse capacity: 50mm USBï¼?Standard Mircro USBï¼?: 1.Bluetooth+USB; 2.Wifi+USB; 3.Bluetooth+Wifi+USB. Power supply: 1*DC connector 3 .5*1.5 Power: SUPPORT uncover button: SUPPORT Feed: SUPPORT Beeper: SUPPORT Power supplier: 12V 1A Support: XP,Win7,Win8,Win10,ios, Android, Linuxï¼?MacOS Function: 1. Support all kinds of intelligent terminals,PDA printing 2. Support one dimensional code, QR CODE, image,and curve printing 3. Compatible with black label paper, Sewing paperï¼?continuous paperï¼?linerless paper 4.Support burton Function