... .Output total 5V/2.1A 4.Works for all USB devices 5.Small and light weight IOKONE Power Doll ... Power Doll works for all USB devices,such as iPad, iPhone, iPod, other smart/android phones and tablets.The ... - 2.1Ao Works for all USB devices,such as iPad, iPhone, iPod, other smart/android phones,tablets,MP3, GPS, ... Over voltage, current and short circuit protection. Dual USB Car Charger for Smart Phone