Lenoge Long Running Time Black 2x USB External Portable 12000mAh Rechargeable Emergency Backup Power Bank Battery Charger for Tablet, Notepad, Cell Phone, Smart Phone, Iphone, Ipod, Pda, Mp3-player, Samsung and More Compact, portable, Sleek, stylish and compact design Easily fits into your bag to provide instant power; PERFECT for train,road trips,or whenever you need to charge your mobile devices wherever you are. Keep your electronic devices powered up at all time with the Backup Battery Charger.? Grade A cells high quality Lithium-ion battery ensures reliability. Please be advised the micro USB cord provided is not compatible with all phones unless you purchase phone cable separately.