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!

• Avantree JUNA portable power bank by designed with a detachable Micro USB sync charge cable.
• Support: Micro USB devices, such as HTC, Samsung, Black berry, MP3/MP4 etc.(Compaitible with iPhone also, but need your existing cable.)
• Adopt reliable Lithium Polymer battery to ensure safety.
• Ultra-slim design, only 12.6mm. Easily fits into your clutch bag to carry.
• Built-in 4PCS green LED indicators for batter status.
• Protection for overheated, overcurrent, overload and more.
• No worries on your battery anymore.