Clear Calls:Bluetooth headset with built-in microphone and ENC noise cancellation allows the other party to hear you clearly.CVC8.0 provides crystal clear audio,so you can enjoy music and clear calls anytime,anywhere.True wireless stereo headphone.100 Hours of Playtime:The Bluetooth headset is equipped with a charging case with LED display,the headset takes only 1.5 hours to fully charge and can work for up to 20 hours.The charging case provides 80 hours of standby time for the Bluetooth headset.The headphone itself also has a charging port,so you can also use the Type-C cable to charge the headset directly.Flexible Control:Touch keys and buttons are combined to reduce mis-touch.Switching songs,adjusting volume,answering calls and waking up voice assistants are easily achieved through headset control,eliminating the need to constantly control the phone and making it very convenient for office workers and drivers alike.Comfortable Wear:The headphone hook is made of rubber material,which is ergonomically designed to provide excellent comfort.The reversible earphone hook and rotatable ear bud allow you to switch between left and right ears at will.There are different sizes of spare earbuds in the package, so you can adjust them freely.Bluetooth V5.3:Bluetooth V5.3 headset is compatible with most Bluetooth devices and has a stable connection.Bluetooth headset supports pairing with 2 Bluetooth devices at the same time.For example,you can connect your headset with your phone and computer at the same time,no longer need to switch back and forth to speed up office efficiency.