Features:[Wireless 5.0 and compatibility]BT5.0 connection can achieve faster transmission speed, longer transmission distance, lower power consumption, more stable data transmission, strong compatibility, suitable for almost all BT-enabled devices.[Charging treasure function]The charging compartment has a built-in large capacity, 1800mAh, and has a long use time. It can be used as a power bank to charge mobile phones. Each headset has about 6 hours of use time. Durable.[Power display]Dual power display, you can not only view the battery information of the charging compartment at any time, but also the battery information of each headset at a glance.[HD, No delay]With CVC 8.0 noise reduction technology, clear calls can be achieved. With SBC decoding technology, lower latency, you can enjoy lossless music.[Ergonomic design]Ergonomic design and cochlear-like design create a comfortable wearing experience without falling off during exercise. Enjoy the music.