Naztech Energy Holster for Apple iPhone 4 - Holster - Retail Packaging - Black Spring clip securely holds phone, Light weight, long life with ultra low discharge rates, 360 ratcheting belt clip, Soft touch rubberized finish LED battery indicator, USB charging input, On/Off button Up to 250 hrs Standby Time, Up to 9 hrs Talk Time, Up to 7 hrs Internet Use, Up to 8 hrs Video Play, Up to 24 Audio Play Compatible with: Apple iPhone 4, Apple iPhone 4 CDMA