1. Reliable quality 2. Super strong battery life to print 300m continuously 3. Small and exquisite appearance,convenient to carry with optional strap 4. 90mm/s high printing speed,support paper peeling function,easy and convenient Printing Method: Direct thermal printing Printing Width: 48mm Resolution: 203dpi Printing Speed: 90mm/s Paper Width: 57.5±0.5mm Paper Loading: Easy paper loading Interface: Bluetooth+USB, WIFI+USB, Bluetooth+WIFI+USB Emulation: TSC/ESC/CPCL(optional)/ZPL(optional) Driver: WINXP/WIN7/WIN8/WIN10 Support Paper Type: black mark paper, label paper, successive paper Storage: FLASH: 4MB/RAM: 8MB Certificate: FCC, CE, 3C Battery Capacity: 7.4V, 2100mAh