Product Name NB55 Handheld POS terminal Material ABS Cover Shell Function FBI fingerprint(optional), NFC, IC card reader, cameras, infrared scanning head (optional) Product Size 254.5*82*17mm Weight 400g (one package box including product is 500g) CPU Deca-core up to 2.5Ghz Memory 3GB DDR3 + 16GB Flash Screen 5.5 inch 5 point touch Resolution 720*1280 Fingerprint collection 508 DPI Sim Card Bands 4G:FDD-LTE,TD-LTE 3G: WCDMA 2G: GSM,GPRS Hot spot BT Voice Call Support Data Support BT Support SMS&MMS Support Speaker Support Microphone Support GPS Support Wifi 2.4G&5G, support 802.11 ac/b/g/n USB USB 2.0(OTG) Cameras 5 Mega-pixel Rear Camera Card Slot SIM ×2;Type-C×1 Physical Button power button x 1, volume button, (one key scanning button) Battery 3.8V/6400mah(=7.6V3200 mah) Adaptor 5V/2A NFC ISO/IEC 14443 Type A/B,Mifare 1 Printer Paper width:58mm/Max. paper roll diameter:40mm Standard Accessories 1pc power adaptor, 1pc User Manual, 1pc USB cable, 1 roll 58mm thermal paper