... iPhone and iPodFeatures: 1,Made for iphone4,3G.3GS,touch 2,Patent safety design: Multi-safety design for overcharging, temperature, short- circuit….. 3 ... . When you are walking, you also can charge your phone and pick up phone calls. Silica gel material, special shape design ... data transmission or charging 1500mA Attachable Battery Pack plus Sync Cable Made for iphone, iPod touch