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 />Fasionable appearance design， super visual enjoyment<br />LED breathing light makes it look more attractive<br />Suitable for iPhone， Samsung， Sony， iPod， iPad， Tablets， computers and so on<br />Multi connection supports two devices connect at the same time<br />With TF card slot and FM radio function<br />Built-in 500mAh rechargeable battery<br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br />    Specifications<br />General<br />  Model  : AT-BT816                                                  <br />                        Color : Black， White， Red， Blue                                                  <br />                        Wearing type : Headband                                                  <br />                        Feature: LED Breathing Light                                                  <br />                        Function : Song switching， Noise Cancelling， Multi connection function， Bluetooth， Microphone， Answering phone， 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 radio: Yes                                                  <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: HFP， A2DP， AVRCP， HSP                                                  <br />                        Bluetooth mode: Hands free                                                  <br />                        External memory: TF card                                                 <br />Dimension and Weight<br />  Product weight  : 0.193 kg                                                  <br />                        Package weight  : 0.376 kg                                                  <br />                        Product size (L x W x H) : 18 x 8.3 x 18.8 cm / 7.07 x 3.26 x 7.39 inches                                                  <br />                        Package size (L x W x H) : 18.3 x 8.5 x 19 cm / 7.19 x 3.34 x 7.47 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 />