1. Three performance modes, large capacity battery. 2. Dual host, both single and double ears are available. 3. Ergonomic design, light and comfortable. 4. Bluetooth version: 5.2 5. Bluetooth range: 8m 6. Headphone running time: about 6 hours 7. Headphone battery capacity: 50mAh 8. Charging compartment battery capacity: 800mAh 9. Standby time of charging compartment: greater than or equal to 54 hours
