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W870 Bluetooth Headset User Manual
XI. proDuct parameter
Headset:
Bluetooth Version: 2.1+EDR
Frequency response: 20Hz~20kHz
Signal to noise ratio: -85dB
Battery capacity: 380mAh
Working voltage: 3.7V
Charging time: 2H
Maximum input power: 20mW
Transmitting range: 10M (Obstacles such as walls or other electronic devices may cause
interference or shorten working distance)
Modulation mode: GFSK, II/4 DQPSK, 8DPSK
Frequency range: 2400MHz_2483. 5MHz Net weight of headset: 150g
Microphone:
Frequency response: 100Hz-10kHz
Sensitivity: -38±3dB @ 1kHz 0dB=1V/PA Signal to noise ratio: 55dB
CMIIT ID: XXXXXXXX
XII. package contents:
● Bluetooth headset
● Warranty and notice manual
― 8 ―
W870 Bluetooth Headset.indd 8
Drive unit: 2 x 40 mm
Sensitivity (SPL): 98±3dB /1mW @ 1kHz
Impedance: 32Ω±15%@ 1kHz
Working current: 25mA
Continuous working time: 12H
Input power: 10mW
Transmitting power:
20dBM
Impedance: 2.2kΩ±10% @ 1kHz
● USB charging cable
● User Manual
W870
W870
Bluetooth
Bluetooth
Headset
Headset
User Manual
User Manual
2012-9-14 15:56:15
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