Specification: Capacity: 12000mAh, Input: 5.0V, Output: 5.3V. Charge for: iPhone,
iPad, iPod, MP3, MP4, GPS, intelligent mobile phone, Bluetooth device, some tablet pc and other USB digital products.
The uNu iPhone 4S Case features: Apple Certified 30 Pin
Connector, Built in Battery + Protective Case + Signal Problem Fix, Fully Support Charge and Sync with Case On, Smart Switch allowing more control over charging to enhance Safety, ...