Brand: ToughTested. MPN: TT-HF-724. ToughTested PRO COMM 724 Bluetooth Drivers Wireless Headset with Microphone - High Def Audio EQ Voice - Noise Cancelling - Lightweight - 45 Hours Talk - 60 Hours Music. Built-in volume and MFB buttons Adjustable headband Bluetooth range of 10 meters Rechargeable built-in battery: 60 hours for music, 45 hours call and 400 hours of standby power