Description:<br />This foldable wireless Bluetooth stereo headphone supports multi-point pairing function with built-in microphone， lets you listen to music or phone calls wirelessly. With stereo， high quality speakers deliver crisp and rich sound， give you a superior audio experience. And also good compatibility with smartphones and Tablet PC with Bluetooth function.<br /><br /> Main Features:<br />Bluetooth V4.1<br />Volume control function<br />Song swith function <br />Reach and hang up in coming calls<br />Blue blinking LED indicates pairing status<br />Built-in large capacity rechargable battery<br />Support music from TF card， MP3， WMA format<br /><br />    Specifications<br />General<br />	 Brand: AIAT                                                  <br />                        Model  : AT-BT809                                                  <br />                        Color : Red， Green， Black， White                                                  <br />                        Wearing type : Headband                                                  <br />                        Function : Voice control， FM function， Answering phone， Bluetooth， Song switching， Noise Cancelling， Multi connection function， Microphone                                                	<br />Specification<br />	 Connectivity : Wireless                                                  <br />                        Connecting interface : 3.5mm， Micro USB                                                  <br />                        Application : Computer， Portable Media Player， Mobile Phone                                                  <br />                        Plug Type: Full-sized                                                  <br />                        Frequency response : 20~20KHz                                                  <br />                        Sensitivity : 70 dB                                                  <br />                        Power supply: Built-in rechargeable battery                                                  <br />                        Working time: About 4 hours                                                  <br />                        Standby time: 180 hours                                                	<br />Extended Function <br />	 Bluetooth: Yes                                                  <br />                        Bluetooth version: V4.1                                                  <br />                        Powlev: CLASS II                                                  <br />                        Bluetooth distance: W/O obstacles 10m                                                  <br />                        Bluetooth band: 2.4GHz-2.4835GHz                                                  <br />                        External memory: TF card                                                  <br />                        Max. of External memory: 16GB                                                	<br />Dimension and Weight<br />	 Product weight  : 0.151 kg                                                  <br />                        Package weight  : 0.320 kg                                                  <br />                        Package size (L x W x H) : 25.0 x 18.0 x 5.0 cm                                                	<br />Package contents<br />	 Package contents: 1 x Earphone， 1 x Audio Cable， 1 x USB Cable                                                	<br /><br /><br /><br />                                            <br /><br /><br /><br /><br /><br />                                                <br />