
Wear: neck hanging ear type
Frequency: 20Hz ~ -20KHz
Active noise reduction depth: up to -22 /
-26dB
Active noise reduction bandwidth: up to
1.5KHz
Active Noise Reduction Technology: Digital
Noise Reduction
Noise reduction chip: BES2000S
Bluetooth chip: BES2000S
Bluetooth technology: 4.2
Horn Impedance: 30 ohm
Speaker sensitivity: 98dB / at 1KHz
Battery: Lithium battery 4.2V 150MAH
Playing tome: music: 10h; noise reduction:
10h; music + NC: 5h; Call + NC : 4.5h
Charging time: 2.5h


