Product name:: Noise Reduction Headphones with detachable mic
Active Noise Cancelling Headset
Frequency: 20Hz-600Hz ANC: 25±2Db
Speaker diameter：Φ40mm
Frequency response: 20Hz –40kHz
Bluetooth version：CSR8635 V4.0
Transmission distance：10m
Charging port：Micro USB 5V/1A
Standby time：More than 120 hours
Talking time：About 18 hours
Playing time：About 10 hours ANC ON
Working time:：20 hours under BT on
Charging time: About 3 hours
Battery type: Build in 650mah rechargeable lithium battery
Storage temperature: -25℃-65℃
Operating temperature: -10℃- 50℃
Certification: CE,FCC,ROHS UN38.3
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