Features:1) Battery: 6,600MAh, works for more than 20 hours2) Short massage sends and receives 3) Compatible with PC and digital equipment, exchanges data by USB4) Calling transfer, calling wait, caller ID5) Position function: exactitude position, showing coordinate, orientation, direction and speed information6) Color map: download city map through CDMA1 x 1,300,000 pixels7) Dimensions (L x W x H): 18.5 x 8.0 (8.6) x 4.0 (5.5) cm8) Break resistance and waterproof producing area:China payment:T/T