Enjoy your hands free calls and music:<br />This foldable style Bluedio B2 wireless Bluetooth hands free headset provides you a feeling of quiet and comfortable listening experience. Specially designed with heandband style， gives you ultimate comfort and fit. Characterized by stylish design and advanced technology， you will be cool and trendy once wearing it. Enjoy your hands free calls. You can have a long talk with your friends without disturbing normal action. It is so compact and portable that you can carry and use it anywhere anytime. <br /><br />Main Features:  <br />Bluetooth: V4.0<br />The speaker diameter is 4cm ( 50ohm )<br />It can switch between call and music， answer / end call， reject call， last number redial<br />High quality materials， lightweight body allows you to wear more comfortable<br />It has built-in high quality battery<br />Compatible with various brands of Bluetooth phones and Bluetooth notebooks， tablet PCs， MID， etc.<br /><br />    Specifications<br />General<br />	 Brand: Bluedio                                                  <br />                        Model  : B2                                                  <br />                        Color : Blue， Green， Yellow， Black， White                                                  <br />                        Wearing type : Headband                                                  <br />                        Feature: Wireless Headphone                                                  <br />                        Function : Bluetooth， Microphone， Voice control， Answering phone                                                	<br />Specification<br />	 Connectivity : Wireless                                                  <br />                        Connecting interface : Micro USB                                                  <br />                        Application : Mobile Phone                                                  <br />                        Power supply: Builti-in rechargeable battery                                                  <br />                        Working time: 36 hours                                                  <br />                        Standby time: up to 1600 hours                                                	<br />Extended Function <br />	 Bluetooth: Yes                                                  <br />                        Bluetooth version: V4.0                                                  <br />                        Bluetooth distance: W/O obstacles ≤10m                                                  <br />                        Bluetooth band: 20Hz - 20kHz                                                  <br />                        Bluetooth protocol: HSP， HFP， A2DP， AVRCP                                                  <br />                        Bluetooth mode: Hands free， Headset                                                	<br />Dimension and Weight<br />	 Product weight  : 0.228 kg                                                  <br />                        Package weight  : 0.685 kg                                                  <br />                        Product size (L x W x H) : 18 x 17.6 x 7 cm / 7.07 x 6.92 x 2.75 inches                                                  <br />                        Package size (L x W x H) : 25 x 17 x 9.5 cm / 9.83 x 6.68 x 3.73 inches                                                	<br />Package contents<br />	 Package contents: 1 x Headset， 1 x USB Cable， 1 x Protective Bag， 1 x User Manual                                                	<br /><br /><br /><br />                                            <br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br />                                                <br />