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In stock
Base Performance
Max Sound Output: 130±5 dB
Max Sound Gain:≥55 dB
Harmonic Wave Distortion: ≤1
Frequency Range: 300~4500 Hz
Input Noise: ≤30 dB
Working Current: ≤2 mA
Featured Function:
Rechargeable Battery: battery is Rechargeable Li battery and Capacity is up to 65mAH
Volume up/down:...
Group: Bluetooth headsets
In stock
Base Performance
Max Sound Output: 130±5 dB
Max Sound Gain: ≥55 dB
Harmonic Wave Distortion: ≤1
Frequency Range: 300~4500 Hz
Input Noise: ≤30 dB
Working Current: ≤2 mA
Featured Function:
Rechargeable Battery: battery is Rechargeable Li battery and Capacity is up to 65mAH
Volume up/down:...
Group: Bluetooth headsets
In stock
Base Performance
Max Sound Output: 130±5 dB
Max Sound Gain: ≥55 dB
Harmonic Wave Distortion: ≤1
Frequency Range: 300~4500 Hz
Input Noise: ≤30 dB
Working Current: ≤2 mA
Featured Function:
Rechargeable Battery: battery is Rechargeable Li battery and Capacity is up to 65mAH
Volume up/down:...
Group: Bluetooth headsets
In stock
Max Sound Output: 129±4 dB
Max Sound Gain:52±5 dB
Harmonic Wave Distortion: ≤5
Frequency Range: 450~3500 hz
Input Noise: ≤30 dB
Battery: AG13 or AG675 Button battery
Max Working Hours with Standard Battery: 50 h
Working Voltage: D.C. 1.5V
Working Current: ≤5mA
Measurement: 5.3x4.4x1.0...
Group: Devices auditory
In stock
Max Sound Output: 130±5 dB
Max Sound Gain:≥50 dB
Harmonic Wave Distortion: ≤5
Frequency Range: 300~4000 hz
Input Noise: ≤30 dB
Battery: AG5 Button battery
Max Working Hours with Standard Battery: 50 h
Working Voltage: D.C. 1.5V
Working Current: ≤4 mA
Net Weight: 8 g (without Battery)
Group: Devices auditory
In stock
Max Sound Output: 110±5 dB
Max Sound Gain:≥38 dB
Harmonic Wave Distortion: ≤10
Frequency Range: 300~4500 hz
Input Noise: ≤30 dB
Battery: AG3 Button battery
Max Working Hours with Standard Battery: 50 h
Working Voltage: D.C. 1.5V
Working Current: ≤2 mA
Net Weight: 6 g (without Battery)
Group: Devices auditory
In stock
Max Sound Output: 110±5 dB
Max Sound Gain:≥38 dB
Harmonic Wave Distortion: ≤10
Frequency Range: 300~4000 hz
Input Noise: ≤30 dB
Battery: AG3 Button battery
Max Working Hours with Standard Battery: 50 h
Working Voltage: D.C. 1.5V
Working Current: ≤4 mA
Measurement: 2.3x1.3x1.9 cm
Net...
Group: Devices auditory
In stock
Max Sound Output: 110±5 dB
Max Sound Gain:≥30 dB
Harmonic Wave Distortion: ≤10
Frequency Range: 300~4000 hz
Input Noise: ≤40 dB
Battery: AG5 Button battery or A10 Zinc Air battery
Max Working Hours with Standard Battery: 50 h
Working Voltage: D.C. 1.5V
Working Current: ≤4 mA
Net Weight: 4...
Group: Devices auditory
