Using Bluetooth 2. , it supports the Headset and Handsfree profiles, and offers a talk time of up to 3.5 hours with up to 16 hours of standby It fits perfectly in your ear when you're handling calls, and can be carried around on a strap, a clip or in your shirt pocket. Its lightweight design makes it more comfortable to wear on longer calls Complement your style with the HBH-IV835 Bluetooth headset designed in glossy black and silver making it a discreet part of your outfit. The headset not only looks good and it's also easy to put on and take off