1. Frequency range: 2.4GHz
2. Frequency response range: 20-20KHz
3. Transmission delay: 9MS
4. Signal to noise ratio: 64dB
5. Microphone: digital microphone
6. Charging current: about 65mA
7. Charging time: about 80 minutes
8. Working time: about 10 hours
9. Battery capacity: 80mAh
10. Input voltage: DC 4.8-5.4V
11. Size: 15x9.5x3cm
12. Weight: 80g
13. Product interface: 8pin
2. Frequency response range: 20-20KHz
3. Transmission delay: 9MS
4. Signal to noise ratio: 64dB
5. Microphone: digital microphone
6. Charging current: about 65mA
7. Charging time: about 80 minutes
8. Working time: about 10 hours
9. Battery capacity: 80mAh
10. Input voltage: DC 4.8-5.4V
11. Size: 15x9.5x3cm
12. Weight: 80g
13. Product interface: 8pin
