1. Input: DC 5V/1A
2. Wireless version: V5.3
3. Playing time: 4h
4. Standby time: 180 days
5. Charging time: 2h
6. Transmission distance: about 10m
7. Frequency response: 20Hz-20kHz
8. Charging box battery capacity: 200mAh
9. Headphone battery capacity: 30mA
10. Binaural synchronous transmission technology, ultra-low delay 0 lag.
11. Dual-ear four-mic ENC noise reduction, ultra-clear calls.
12. The large-capacity charging compartment can continuously listen to music for 25 hours.