1. Product Size: 14*50mm 2. Rechargeable AA 1.2V battery with USB 3. Nominal Capacity: 1100MAH 4. AA battery function, can work in baby toys, remote controller, walkman etc. 5. Emergency charger, travel charger function for mobile, Mp3,Mp4 etc. 6. It can be charged around 1000 times. 7. Please charge 5 hours per time, then you can use it. 8. The indicator light shines all the time when being charged 9. Charge with computer USB port or plug Color package