1. Reliable quality IP54 certificate 2. Super strong battery life to print 300m continuously 3. Fast charging for 10 minutes with 30% power 4. Small and exquisite appearance,convenient to carry with optional strap 5. Support paper peeling function,easy and convenient Printing Method: Direct thermal printing Printing Width: 104mm Resolution: 203dpi Printing Speed: 90mm/s Paper Width: 40~110mm 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/LINUX/MAC/VISTA Support Paper Type: black mark paper, label paper, successive paper Storage: FLASH: 4MB/RAM: 8MB Printer Head: â?¤50km Battery Capacity: 7.4v, 2400mAh Paper Peeling Function: Support