PLANTRONICS Voyager 815 Bluetooth&Acirc;&reg; Headset Sliding boom for convenient call answer/end AudioIQ technology optimizes call clarity on both ends of the conversation Noise isolation ear tip for a stable and comfortable fit Multi-point technology allows switching between 2 Bluetooth audio devices Up to 7 hours talk time or 180 hours standby ; Compliant with Bluetooth v2.0 + EDR devices ; Includes charger