1. design, one-handed rotation to open and close, one turn to open toys, young people need 2.10mm composite diaphragm speaker hard-core strength shocking sound professional three-frequency tuning, restore music bright high-frequency, mid-frequency full and low-frequency thick and flexible, immersive sound, shocking enjoyment 3. The performance of the Bluetooth 53 chip soars in a straight line Equipped with the flagship Bluetooth 5.3 chip, no sense of delay, smoother viewing and gaming, stronger penetrating power, and more stable signals 4. Rotate to open the smart take out and enjoy a wireless experience, rotate to open the cover, take it out, start pairing, close the cabin, automatically shut down and disconnect Product Description: Functions: waterproof, noise reduction, breathing light, long battery life, call function, voice control, music support, sleep mode, low latency for e-sports Bluetooth protocol: 5.3 How to use: in-ear Whether single or double ears: Bilateral stereo Battery life: more than 8 hours (hours) Style: E-sports game Waterproof performance: IPX4 size: 6 x 6 x 2.5cm Material: Aluminum Alloy colour: silver Package Contents: 1 x Bluetooth headset 1 x Chinese and English instructions 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.