Samsung WEP500 Bluetooth Headset Includes: WEP500 bluetooth headset, User Guide, Charging Cradle, and Travel Charger Slim and small design / Powerful noise reduction / Voice separation technology / Echo cancellation / Auto volume control / Bluetooth v. 2.0 Equipped with 2 microphones, the Samsung WEP500 reduces unwanted noise with its own voice separation technology which can distinguish and Block unwanted voice next to you. Clarity is further enhanced echo cancellation and auto volume control. Talk time: up to 3.5 hours / Standby time: up to 80 hours