One-Touch answer， call rejection， last number redial<br />For in car use as handsfree car kit<br />For office/home use as conference speakerphone<br />Bluetooth specification V2.0 Class 2<br />Supports headset and handsfree profiles<br />Integrated with echo cancellation and Noise suppressor<br />Built-in rechargeable battery compatible for BL-5B Nokia battery<br />Up to about 17 hours talking time and 48 hours standby time<br />Full duplex device with high quality voice and volume adjustable<br />Transmission Distance: about 10m<br />Rechargeable battery: 3.7V DC， 650mAH or BL-5B compatible<br />Specification<br />Frequency response (Hz): 2.4GHz-2.48GHz<br /><br /><img src="http://img6.eachbuyer.com/x14/p34/l230846_1.jpg" />                                                        <img src="http://img6.eachbuyer.com/x14/p34/l230846_2.jpg" />                                                        <img src="http://img6.eachbuyer.com/x14/p34/l230846_3.jpg" />                                                        <img src="http://img6.eachbuyer.com/x14/p34/l230846_4.jpg" />                                                        <img src="http://img6.eachbuyer.com/x14/p34/l230846_5.jpg" />                                                        <img src="http://img6.eachbuyer.com/x14/p34/l230846_6.jpg" />