Specifications:This over-ear headset is comfortable to wear.Buttons on the headset make it easy for you to adjust the sound volume.It supports hands-free call, which can ensure safe driving.Item Name: bluetooth-compatible HeadphoneMaterial: ABSBluetooth Version: 3.0Transmission Range: 10mBattery: Rechargeable Battery (Included)Features: Wireless, Hands-free Call, Over-Ear, with MicrophoneSize: 23cm x 18cm x 6.5cm/9.06" x 7.09" x 2.56" (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 bluetooth-compatible Headphone1 x Charging Cable