Composite large diaphragm speaker Unlock HD sound quality Large dynamic speakers bring you an immersive sound effect Higher compatibility and reduced distortion. 360 stereo surround Shocking sound effects HIFI HD sound quality Environmental immersion noise reduction Comfortable listening No loss of sound quality, say goodbye to the hustle and bustle, and start a journey of pleasure and enjoyment. HD voice calls Communication is more convenient The new Bluetooth 5.3 technology gives you a new environmental experience Effectively reduce noise and double the effectiveness of work. audio sync Low latency gaming experience Achieve low latency for wireless audio transmission During , you can hear the sound and identify the position, which is smooth and stable, and there will be no disconnection. Super battery life Listen to music continuously for 8 hours and comfortable Painless to wear Name: -mounted Bluetooth wireless headset Bluetooth version: 5.3 Wireless distance: 10 meters Charging time: 2 hours Playback mode: Bluetooth/plug-in/card Standby time: 200 hours Colour:C: Blue Material:Plastic Package Contents: 1x earphone 1x Charging cable 1x audio cable 1x Chinese and English manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.