NoiseHush N620-12055 Bluetooth Handsfree Speakerphone Car Kit for all Cell Phone Brands and Models - Retail Packaging - Black Sleek Design with Piano Finish, Requires No Installation Enhance Noise-canceling Technology, DSP for Optimized Sound Quality, Multipoint - Pairs with Two Devices, Voice Dialing Capabilities, Full Duplex with Powerful Speaker, Sleep mode (Auto shut-off) Function Bluetooth Specification: V2.1+EDR, Operation Range: Up to 10 Meters, Frequency Range: 2.4-2.8GHz, Battery: 3.7V /600mAh Li-polymer, Charging Time: About 3 hours, Talk Time: Up to 12 hours, Standby Time: Up to 450 hours Compatible with: Apple iPhone, iPhone 3G, iPhone 3S, iPhone 4, iPhone 4S, iPhone5, Apple iPad, iPad 2, iPad 3 Also Compatible with All Cell Phone Brands and Models