Features:     

3800mAh rechargeable external battery case
Fits for Samsung Galaxy SIV
With LED indicator to show battery status
Unique, fashionable and high-class sliding design
Case cover and power bank, protect your phone from slipping
Compact and portable, convenient to carry with you anywhere you go
Excellent for long trips and as an emergency case when your battery drains on the go
The thinnest power pack for Samsung Galaxy S IV
Fully protective case & Double battery life
Capacity: 3800mAh
Net Weight: 124g
Cell Type: Li-polymer battery
Size: 150 x 73 x 17 mm / 5.9 x 2.8 x 0.67 inch
Package size: 192 x 98 x 25mm/ 7.56 x 3.85 x 0.98inch
Color:Black and white，as shown in the picture