External battery for iPad with Audio
1. Voltage: 3.7V
2. Capacity: 6300mAh
3. Audio features
4. 100% OEM compatible

For iPad External Battery
1. Model: HSTD002
2. Voltage: 3.7V Audio features
3. Capacity: 6300mAh
4. Input Voltage: 5.3 ~ 5.5V
5. Input Current: ≥ 500mA
6. Output Voltage: 5.0~5.5V
7. Charging time: About 10 hours
8. Discharge time for iPad: About 6.5 hours
9. Warranty: 12 Months

Use for iPad Tablet PC / iPhone 3GS 4g with Speakers series

Features:
Portable power charger
High quality products
High quality with portable style
Power station charger and easy to use
Glossy sufrace and soft hands feel
New arrival products and without any skill to install
Very smart and convenient you can take it with you anywhere

Payment accepted:
T/T to our HK HSBC account; Western Union(500-2000USD); PayPal(100-500USD); Moneygram