Product Name: Bluetooth HeadphoneProduct color: Black,White,Red,BlueMaterial:ABSGross weight: 0.73lbs/0.334kgProduct size: 19x18x7.5cm /7.48x7.08x2.95inchPackage size: 16.8x16.8x8.8cm/6.61x6.61x3.46inchReceiving distance:15m without barrierHorn size:40mmFrequency response:20Hz-20KHzImpedance:30ΩBattery capacity:650mAhCharging time:2-3hHigh-performance wireless Bluetooth headphones in multi-colour.Folding storage ,easy to carry aroundListening position,binaural stereo design,immersive game sound,with Bluetooth 5.1 chip,lower play delay.Hi-Res Audio: Custom oversized 40 mm DY-NAMIC drivers produce Hi-Res sound. This active noise canceling headphones reproduce music with extended high frequencies that Rea-ch up to 20 kHz for extraordinary Cla-rity and detail.Support multiple devices,support IOS/Android/tablet/computer/Mp4.With 650mAh battery ,24-Hour Play-time in maximum volume,Standby 300mAh ,Actual battery life may vary depending on actual usage conditions. A single charge gives it enough juice to soundtrack long haul flights.Ergonomic design,comfortable wearing is the standard that a good headset needs to achieve.It fits the shape of the head and is suitable for most people.All-inclusive earmuffs,physical sound insulation allows you to enjoy the pleasure brought by the world of music.Breathe lights,one key to turn on/off the lights,with the music playing with breathing lights,make the night more colorful.1 x Bluetooth Headphone1 x USB Cable1 x Audio Cable1 x Instruction Manul