1600mAh External Power Pack + FM Transmitter Power Pack for iPhone 4

*External power pack with FM transmitter for iphone 4
*Smart Li-ion Polymer battery
*5 LED light indicators
*Buil-in FM transmitter:88.1/88.5/88.9/89.3MHz
*Non-slip, comfortable Grip

Package Included

*1 x External power pack with FM transmitter for iphone 4
*1 x USB Cable

Specification

*Compatible with: iphone 4
*Capacity: 1600mAh(li-poly)
*Input: 5V 0.5A
*Output: 5V 0.5A
*Standby time: up to 360 hours
*Talk time: up to 6 hours on 3G
*Internet use: up to 6 hours on 3G up to 10.6 hours on wifi
*Audio play: up to 36 hours
*Charging time: up to 3.5 hours
*Dimension: 123x60x14.5mm
*Color: Black
*Gross Weight: 0.290kg
*Package Size (LxWxH): 18cm x 11cm x 3cm
*Package Type: Paper Box