... used to supply power for Laptops, mobile phones, MP3 players, MP4 players, PDAs, digital cameras DescriptionProduct model ... circuit, over charge/discharge.Application: for Laptops, mobile phones, MP3 players, MP4 players, PDAs, digital cameras, handheld game ... MP3 players, MP4 players, PDAs, digital cameras, handheld game consoles, Bluetooth devices . It sells well in America, Germany and South Korea ...