Samsung WEP700 Bluetooth Headset (Black) Dual microphones and digital signal processing (DSP) for noise cancellation when in loud enviroments Support for advanced call handling functions such as last number redial, voice dial, and call reject Includes travel adapter, detachable ear hook Provides up to 6 hours of talk time and up to 200 hours (8+ days) of standby time Provides up to 6 hours of talk time and up to 200 hours (8+ days) of standby time