40mm large dynamic coil unit, balanced sound quality technology, excellent performance in the full range. The sound is rich in detail and layered. Thanks to Bluetooth 5.3 and high-performance chips, the delay is greatly reduced, the stability is greatly improved, and the audio and video of the game are synchronized. Noise reduction chip blessing, 43dB deep noise reduction, one button to turn on, the world is quiet. Large inner diameter earmuffs, soft and pressure-free; single-axis design, simple and smart; seamless stretchable head beam, suitable for different head shapes. The arm can be stretched and folded arbitrarily, which is wear-resistant and more durable. Foldable body, convenient storage, just put it in the bag and go. Bluetooth Version: V5.3 Charging Interface: Type-C Charging Time: about 3 hours Standby Time: 30 days Listening Time: 80 hours Transmission Distance: 10m Color: Black, Champagne Gold, Pink, Blue(optional) Size: 166 x 197 x 80mm Weight: 500g Package List: 1 x Wireless Headphone