Specifications:Made of faux leather, the earmuff is breathable, durable and comfortable to use.With built-in high-definition microphone and 360 degree bass, the headphone brings you excellent listensing experience.Foldable design is convenient for storage.Item Name: Wireless HeadphoneMaterial: ABS, Faux LeatherBluetooth Version: bluetooth-compatible 4.1+EDRTransmission Range: More than 10 MetersBattery Capacity: 400mAh (Included)Standby Time: More than 800 HoursCharging Time: about 4 HoursPlaying Time: about 12 HoursTalk Time: about 10 HoursWorking Frequency: 2.4026Hz-2.4806HzFeatures: Wireless, Breathable, Foldable, BassSize: 17cm x 12cm x 8.2cm/6.69" x 4.72" x 3.23" (Approx.)Notes:Due to the light and screen setting difference, the item& 39;s color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Wireless Headphone1 x USB Charging Cable