The iSound Travel Combo Charger Pack is your ideal charge you companion at home, in your car and especially during travel. This combo pack includes a 4 USB wall charger which can charge up to 4 devices at the same time with a maximum current requirement of 2.1 Amps. As an example, the iPhone requires a maximum of 1 Amp. However, when multiple devices are simultaneously charged together they must not exceed 2.1 Amps in total. So the 4 USB Wall Charger Pro is capable of charging 1 iPad, or 2 iPhones, or 4 iPods. You may also charge several other item variations totaling up to no more than 2.1 amps. The 4 USB wall charger will fit any standard wall outlet and features a flip out AC outlet for easy transport and storage. The iSound Travel Combo Charger Pack also includes a highly compact 2 in 1 wall and car combo charger which offers the ideal solution to charge your smartphone, tablet, MP3 player and more conveniently in your car or at home. The charger fits any standard wall and car outlet and offers efficient 2.1A charging during travel. Also included in the box is a 3 foot USB to Micro/Mini USB cable to make charging even more convenient! You may also power your Apple devices such as iPad, iPhone or iPod when using their original charge cable (not included).