Plantronics Voyager? 510 Bluetooth? Headset Simplify your communications! The lightweight and versatile Plantronics Voyager? 510 Bluetooth? Headset delivers all-day wearing comfort, clearer voice transmission and superior sound quality. With exclusive Multipoint Technology, your headset seamlessly transforms into a powerful communication solution for up to two Bluetooth devices. It's right here? Wherever, Whenever, Wireless. Product Features: Simple to Use: Single button for call answer/end, last number redial and voice-activated dialing. Talk Longer: Up to 6 hours continuous talk time. Works with Multiple Bluetooth Devices: Seamlessly switch between two Bluetooth audio devices with multipoint technology.