Main Features:<br />Wireless Bluetooth 4.1 stereo headphones supports hands-free talking<br />Soft ear cushions and padded inner headband add more listening comfort<br />High sealing performance brings you the best bass effect<br />Foldable earcups are convenient for you to carry<br />Stretchable headband can be adjusted to suit for different people<br />Fasionable appearance design， super visual enjoyment<br />Suitable for iPhone， Samsung， Sony， iPod， iPad， Tablets， computers and so on<br />With TF card slot<br />Built-in 500mAh rechargeable battery<br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br />    Specifications<br />General<br />	 Model  : AT-BT809                                                  <br />                        Color : Green， Black， White                                                  <br />                        Wearing type : Headband                                                  <br />                        Function : Answering phone， Song switching， Bluetooth， Multi connection function， Noise Cancelling， Microphone， Voice control                                                	<br />Specification<br />	 Connectivity : Wireless                                                  <br />                        Connecting interface : Micro USB， TF Card， 3.5mm                                                  <br />                        Application : Portable Media Player， Mobile Phone， Computer                                                  <br />                        Driver unit: 40mm                                                  <br />                        Music Time: 6h                                                  <br />                        Standby time: 180h                                                	<br />Extended Function <br />	 FM frequency range: 2.4Hz-2.4835GHz                                                  <br />                        Bluetooth: Yes                                                  <br />                        Bluetooth version: V4.1                                                  <br />                        Bluetooth distance: W/O obstacles ≤10m                                                  <br />                        Bluetooth protocol: A2DP， AVRCP， HSP， HFP                                                  <br />                        Bluetooth mode: Hands free                                                  <br />                        External memory: TF card                                                	<br />Dimension and Weight<br />	 Product weight  : 0.195 kg                                                  <br />                        Package weight  : 0.352 kg                                                  <br />                        Product size (L x W x H) : 17.7 x 8.3 x 17.3 cm / 6.96 x 3.26 x 6.80 inches                                                  <br />                        Package size (L x W x H) : 18.2 x 8.5 x 18.8 cm / 7.15 x 3.34 x 7.39 inches                                                	<br />Package contents<br />	 Package contents: 1 x Headphones， 1 x USB Cable， 1 x 3.5mm Audio Cable， 1 x Chinese and English User Manual                                                	<br /><br /><br /><br />                                                <br />