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Wireless Mini bluetooth earphone

Wireless Mini bluetooth earphone                                                                                                                                                  Bluetooth chip:Nuoda 1526  V4.2version
Support for A2DP decoding
Receiving distance::10meters
Working Frequency::2.402GHz~2.480GHz
Transmitted power:CLASS2,MAX4dbm
Supporting for simple Paring
Audio decoding mode:SBC
Ajusting :Audio decoding mode
SNR:>75dB
Distortion Factor :<1%
Input Voltage:DC5±0.25V
Battew Specificaion:3.7V/55mAh
Working Voltage:3.7V(3.3-4.2V)
Charging Time:≤2H
Microphone Sensitivity:-42±3DB
Low Battery Indicator:3.3V                                                                                                                                                                Time for Continous Musicic:≥2H
Standby connection time:≥20H
working current:≦25mA
quiescent current:≦5uA
Matching name:Air 7 E
Pairing code:0000

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