Motorola H800 Slider Bluetooth Headset Up to 8 hours of talk time and 200 hours (8 days) standby time Clear Voice - loudest headset with improved audio performance and interference reduction Supreme Comfort - Lightweight and comfortable with interchangeable earhooks for maximum comfort and secure fit allowing for extended periods of use Simple Operation - Slider RapidConnect makes it easy to power on the headset with the touch of a button and conserve battery when not in use Bluetooth version v2.0 with EDR