1. Micro input: DC 5V2. Output: 3.6V DC Current, 4.0-ma; for Li-ion camera battery in-in3. Certification: CE and Rohs4. Size: 85x48x20mm5. 20mm ultra thin design, prefect for travel and home use, portable and easy to carry.6. Constant current control to prevent overvoltage, overcharging, short circuit.7. Can be charged by USB wall charger, car charger, power bank or other devices with USB port, gives you more options8. The LED indicator shows the battery charging status. Weight: 30gWhen charging, the LED indicator will display red, when fully charged, the LED indicator will turn green.9.