Coomax C5 4000mah Power Bank with Portable Audio Speaker & Phone Holder Function - Color White Powerful 4000mAh external mobile battery charger fits for most digital devices Portable Audio Speaker & Phone Holder Function:Support all of tablet and mobile phones being held vertically or horizontally for playing music and media. Quickly and effectively solves the low power problem for your devices while on-the-go Intelligent power manage IC, overcharge protection, short circuit protection.With such massive capacity, in such a compact package,perfect for flights, road trips or just any time you're away from an outle Suitable for iPad 2/3/4/mini/air, iPhone 4/4S/5/5s/5c, iPod Touch 1st, 2nd, 3rd, 4th Gen, Nano 6th Gen, Classic;Samsung Galaxy S2/S3/S4/S5, NOTE 2/3, Other Smartphone and 5v Tablet