Bluetooth specification: Bluetooth 5.3
Bluetooth chip: AC7006
Transmission distance: 15m
WORKING FREQUENCY: 2.402 -2.480GHZ
Operating voltage: 3.7V
Battery capacity: 400mAh
Charging current: 200mA
Operating current: 13mA
Working time: Bluetooth noise cancellation is turned on for more than 20h at the same time
Voice wake-up: Voice assistant function is supported
Noise Reduction Type: Feed-back (single-feed) noise reduction
Noise reduction chip: AC7006
Noise reduction depth: 21dB or more
Effective bandwidth for noise reduction: 30-800Hz
Impedance: 32 ohms
Frequency response: 20-20kHz
Speaker sensitivity: 120dB
Microphone sensitivity: 40dB
Bluetooth specification: Bluetooth 5.3
Bluetooth chip: AC7006
Transmission distance: 15m
WORKING FREQUENCY: 2.402 -2.480GHZ
Operating voltage: 3.7V
Battery capacity: 400mAh
Charging current: 200mA
Operating current: 13mA
Working time: Bluetooth noise cancellation is turned on for more than 20h at the same time
Voice wake-up: Voice assistant function is supported
Noise Reduction Type: Feed-back (single-feed) noise reduction
Noise reduction chip: AC7006
Noise reduction depth: 21dB or more
Effective bandwidth for noise reduction: 30-800Hz
Impedance: 32 ohms
Frequency response: 20-20kHz
Speaker sensitivity: 120dB
Microphone sensitivity: 40dB