1、Excellent sound quality: Using a 40mm large dynamic coil, it brings a professional and balanced sound effect, allowing you to enjoy clear and moving sound quality. 2、Convenient BT Connection: Adopting BT 5.3 chip, it supports fast pairing and stable BT connection, convenient to use. 3、Comfortable to wear: lightweight design and full coverage ear cups allow you to stay comfortable even if you wear them for a long time. 4、Long battery life: Built in 300mAh high performance battery supports 8 to 12 hours of long battery life, so you don't need to charge frequently. 5、Portable design: It adopts folding and rotating portable design, which is 50% smaller and easier to carry.Specifications: Moving coil unit: 40mm Game low latency: 50ms Battery capacity: 300mAh BT chip: V5.3 Working frequency: 20-20KHz Communication distance: 10 meters Working voltage: DC5V Microphone interface: built in double microphone AUX interface: none Type C charging interface: supported Charging time: about 2 hours Battery life: about 8-12 hours Headphones unfolded size: 180mm x 190mm x 80mm Headphones folded size: 180mm x 190mm x 40mm1 * Headphones1 * Type C charging cable1 * 3.5MM sound cable1 * Instruction manual