Features: 1.Press and hold the middle button for 3 seconds, the red and blue indicator lights will light up in turn, then will flash alternately, turn on the for Bluetooth on mobile phone, and the for BT?MUSIC can be used after pairing successfully 2.Made of high?quality acrylic material, skin?friendly, soft, warm and breathable 3.Convenient for bluetooth control panel is easy to answer calls, adjust the volume, listen to music during exercise, and LED lights for easy lighting when needed 4.The headset cap has high call quality, clear sound quality and two?way intercom function 5.Connect the music to play after the phone is connected to for Bluetooth, press the middle play button to automatically turn on the music 6.You can increase and decrease the volume, press and hold the volume? to decrease the volume, press and hold the volume+ to increase the volume 7.Allowing adjust the previous and next song. Short press volume? to switch the previous song, short press volume+ to switch the next song specification:Item Type: Music Hat Material: Acrylic Battery Type: Polymer battery Battery Model: 402030 Battery Capacity: 150mAh The transmission rate is fast and stable, the unobstructed transmission distance exceeds approx. 20meter / 65.6ft, and the farthest up to approx. 50meter / 164ft English voice prompts for power-on, power-off, successful pairing, low battery, maximum volume, etc. Function: Previous song, next song, volume up, volume down, play, pause, answer a call, make a call, activate for SIRI, microphone intercom Play Time: 7 Hours (100% volume test on for iOS) Talk Time: More than 8 hours Standby Time: More than 260 hours (actual test) Charging Time: About 2 hours Resting Time: 500 Days (the product is not in use, the storage time when it is totally charged. This means that the headset can be turned on without charging after 500 days of storage) Instructions: Press and hold the middle button for 3 seconds, the red and blue indicator lights will light up in turn, then the red and blue indicator lights will flash alternately, turn on the FOR Bluetooth of the mobile phone, and the for BT-MUSIC can be used after pairing successfully Mobile Phone Connection for Bluetooth Name: For BT-MUSIC Size: Approx. 20.5 x 19.6cm / 8.1 x 7.7in PackageList: 1 xMusicHat 1 x User Manual 1 x USB Cable