1. Earmuffs are equipped with a full duplex group communication module, and with a high-noise reduction microphone, they can help to com-municate clearly in a noise environment up to 120 decibels Especially suitable for motor maintenance, drilling, mining.aviation ground handling and other working environments.
2. Noise reduction level:NRR:27dB SNR:31dB
3. Battery: Built-in battery
4. Charging time: <4h
5. Charging interface: Type-C
6. Frequency range: 2.4GHz
7. Channel number: 8
8. Users for each channel: 15
9. Transmission power: BR/EDR 4dBm
10. Communication range Open area: FCC: 800M; CE:>600M
11. Working time:≥13h
12. Working temperature:-109℃~+50℃
13. Application scenarios: Mining maintenance Drilling platform Airline support