Jabra Extreme Bluetooth Handsfree Wireless Headset.

Noise Blackouttm Extreme Technology With 2 Noise-Cancellation Microphones; Crystal Clear Sound By Advanced Dsp Technology; Intelligent Volume Control & Audio Shock Protection; High Performance With Bluetooth 2.1 Edr & Esco; Multiusetm Connects Up To 8 Devices-2 At The Same; Time; Dual Wearing Style With New Ultimate-Fit Eargelstm &; Flexible Ear Hooks In Two Sizes (S, L); Talk Time: Up To 5.5 Hours; Standby Time: Up To 10.5 Days; Dedicated On/Off Slider