Avantree JUNA 3400mAh portable power bank in a ultra-slim design with a detachable Micro USB sync charge cable. It easily fits into your clutch bag or pocket. And the cable can sync & charge your smartphone. JUNA built-in 3400mAh lithium polymer and high efficiency circuit desin can charge your devices anytime, anywhere!
Supports Micro USB devices, such as HTC, Samsung, Black berry, MP3/MP4 etc. (Compaitible with iPhone also, but need your existing cable.)