... .5(L)mm*75(W)mm*31(H)mmBattery: rechargeable polymer battery(3.7V,2000mAH) (4000 optional)Touch panel: 3.2-inch ... , RFID14443A, RFID15693, GPRS, GPS, WiFiAccessories: touch stylus, usb cable, portable battery charger, wrist strap, shoulder strap, carring case, MicroSD(TF)card