Plantronics Voyager 855 Bluetooth Stereo Headset Seamlessly receive and make calls while listening to music; sliding answer/end boom AudioIQ technology optimizes call clarity on both ends of the conversation Sound isolating silicone ear buds (S/M/L) for immersion in calls and music Multi-point technology allows switching between 2 Bluetooth audio devices Up to 5 hours music time, 7 hours talk time and 180 hours standby ; Compliant with Bluetooth v2.0 + EDR devices ; Includes charger