1. Professional sound quality comes from the dual protection of the chip's blessing and AAC's advanced coding capabilities. Adopt AAC advanced audio coding transmission technology to greatly improve the quality of hearing and bring natural and clear sound.2. Bluetooth 5.0 chip, support low latency game mode.3. The ergonomic design of the smooth outer cavity line, the metal sound mouth and the colorful blending resin complement each other.4. Bluetooth range: 20m5. Headphone battery capacity: 40mAh6. Battery capacity of charging compartment: 300mAh7. Earphone running time: about 3 hours8. Standby time of charging compartment: greater than or equal to 100h9. Sounding principle: Hybrid mixing technology (1DD+1BA)