... all types of batteries for use in various laptops, digital cameras, camcorders, PDAs, mobile phones, walkie-talkies and universal internal & external ... phone 4G protective film-Cleaning Cloth Performance Description: -Battery and protector 2 in 1 function, solve the signal problem ... connectivity with the iTunes sync PC.-All-inclusive design, and perfect for iPhone 4. Standby Time: up to additional 300 ...