SAMSUNG Galaxy S4 s4 4 Protector lightning flash case colorful LED

Features:
Stylish protection with full access to all ports， buttons and cameras.
ELuminescent flashes/blinks in six alternative colors for approximately 15 seconds then goes off making or receiving a call or sending or receiving a message.
E1 Battery included.
ECompatible with both GSM and CDMA Network
EFlash while calling or called
EStrengthen signal
EProtect Phone not to break

One case can flash different colors when calling and answering， sending and receiving message
 
Package includes:

1 x Flash Light Case 
1 x Test Battery