Dual USB output.
3. Power bank fully charge take 5-6 hours (use 2A charger), power bank fully charge take 10-12 hours (use 1A charger).
4. Compatible for any phone, tablet, MP3, MP4, PSP, GPS, game device, camera and many more (just connect with your USB cable).
5. LED display (display battery percentage, in / out charging status)
6. Intelligent voltage recognition chip automatically detects the voltage.
7. Built in battery protection IC to prevent over charging, over discharging and short circuit.