Specifications<br />General<br />	 Color : Silver， Black， White， Gold                                                  <br />                        Wearing type : Headband                                                  <br />                        Function : Voice control， FM function， MP3 player， Bluetooth， Noise Cancelling， Microphone                                                	<br />Specification<br />	 Connectivity : Wireless                                                  <br />                        Connecting interface : 3.5mm                                                  <br />                        Application : Mobile Phone， DJ， Portable Media Player                                                  <br />                        Plug Type: USB                                                  <br />                        Core chip: CSR                                                  <br />                        Driver unit: 40mm                                                  <br />                        Sound channel: Two-channel (stereo)                                                  <br />                        Frequency response : 20~20KHz                                                  <br />                        Impedance : 32ohms                                                  <br />                        Sensitivity : 105±3 dB                                                  <br />                        Microphone sensitivity: -58±3dB                                                  <br />                        Power supply: Built-in rechargeable lithium battery                                                  <br />                        Output power: 30mW                                                  <br />                        Standby time: More than 180 hours                                                  <br />                        Charging time: 2 ~ 3 hours                                                	<br />Extended Function <br />	 FM radio: Yes                                                  <br />                        FM frequency range: 87~108MHz                                                  <br />                        Bluetooth: Yes                                                  <br />                        Bluetooth version: V3.0+EDR                                                  <br />                        Powlev: CLASS II                                                  <br />                        Bluetooth distance: W/O obstacles 10m                                                  <br />                        Bluetooth band: 2.4 ~ 2.4835GHz                                                  <br />                        Bluetooth protocol: HSP， AVRCP， A2DP， HFP                                                  <br />                        External memory: TF card， Micro SD card                                                  <br />                        Max. of External memory: 32GB                                                	<br />Dimension and Weight<br />	 Package weight  : 0.35 kg                                                  <br />                        Package size (L x W x H) : 17.6 x 15.3 x 9.2 cm                                                	<br />Package contents<br />	 Package contents: 1 x Headset， 1 x USB Cable， 1 x Audio Cable with 3.5MM Jack， 1 x User Manual                                                	<br /><br /><br /><br />                                                <br />