7 color ring breathing light, cool and severe body, into the bright and shining light effect, magnificent, interpretation of the speed and passion, blooming battle fronts40MM large unit, high quality dynamic unit, professional acoustic tuning, bring the layered full sound.Let the ears addicted, high-capacity battery can enjoy listening to standby 180h, outdoor travel is not afraid of power failure.Bluetooth 5.0 chip, low power consumption is more stable, bringing nearly no delay in the entertainment experience of speed and passion, blooming battle frontsQuietly enjoy the beauty of music, heavy bass technology to immerse you in the music, enjoy the pure quiet.Numerous subtle design, headphones headband curved by the tight rubber fabric composition helps to disperse the weight, reduce the pressure on the head.The telescoping bar can be smoothly extended, but also stable in the position you want to wear, always a tight fit.The material wrapped around the frame is soft to the touch and offers excellent strength, flexibility and comfort.Long press to summon Siri is always on standby, whether you are driving, running or just going about your daily life with Siri's tech-savvy features,One key to live a smart life anytime, anywhere.Bluetooth version: Bluetooth V5.0+EDRTransmission distance: 10 metersUse time: 8-12 hoursStandby time: 180 hoursBattery: 400mAhFunctions: adjust volume, switch songs, call answering, call rejection, hang up, Bluetooth playback, call replay, Bluetooth back to connect, voice prompt, power display, MP3, FM, TF card insertion