... Battery Pack for iPhone and iPodFeatures: 1,Made for iphone4,3G.3GS,touch 2,Patent safety design: Multi-safety design for overcharging, temperature ... phone and pick up phone calls. Silica gel material, special shape design. Charging Anti-skid designThere is a micro USB ... function the side, used for data transmission or charging 1500mA Attachable Battery Pack plus Sync Cable Made for iphone, iPod touch