You can finally talk hands free with this Original Plantronics Voyager Pro HD Universal Over-The-Ear Bluetooth Headset, 85690-01 - Black! Great for use while driving or at the gym! Keep talking longer with the Plantronics Voyager Pro HD Bluetooth headset. Long battery life, sensor technology and noise reduction make every call worry-free. The Smart Sensor technology knows when you're wearing the headset, so it wont ever send calls to your bluetooth when you're not using it! So talk freely knowing you have the time you need and the technology you want. The Voyager Pro HD also features Bluetooth v2.1 +EDR, which provides a strong, secure connection. It's backward compatible with mobile phones compatible with earlier versions of Bluetooth, so you wont have to worry about outdating your phone. The earpiece lets you roam up to 33 feet from your Bluetooth phone and it even allows iPhone users to check battery life. Additionally, this headset has multipoint technology, so you can connect more than one device to receive and make calls from two of your phones without having to switch earpieces. The Voyager Pro HD runs on a rechargeable lithium ion battery that gives you up to 6 hours of talk time and up to 5 days of standby time from a single charge.