... , iPod, iPhone, GPS, PSP, mobile phone, notebook computer, Hi-fi speaker, U-disk and TF card.l ... Several colors and power supply manners including battery, computer USB, adaptor DC-5V allow you to ... , use USB power supply.l Charging: Use computer USB power or DC-5V adaptor as power ... 77 inches (external diameter 45mm) Magnetic resistant 4Ohmsl Power supply: 5V/1000Ma AC power adapter, computer USB power ...