VCOM portable mini audio speaker with bluetooth
  • VCOM portable mini audio speaker with bluetooth
VCOM portable mini audio speaker with bluetooth
Model: DS755
Bluetooth Version: 3.0
Power supplier: lithium battery: 3.7-4 .2 V DC:5V
lithium battery: 450MAH Li-ion battery
Work current: <30mA (Bluetooth module), <400mA (power amplifier, Bluetooth ) 
Standby current: <3mA
Frequency range : 2.401-2 .480 GHz (2.4GHz ISM Segment)
The receiver sensitivity: <-90dBm, BER <0.1%*SNR: 95dB 
Support external: TF card,voice function(english and chinese can be chosen).
Distortion:  <0.2%
Frequency Response:  20Hz-20kHz
Scope:  <10 meters of wireless communication (consistent with the Bluetooth protocol specifications CLASS 2)
Transmit power: Class2 less than 4dbm, low radiation.
Spread spectrum: Frequency Hopping Spread Spectrum
Bluetooth protocol support:  A2DP, AVRCP
Patent: ZL 2014 3 0544083.1


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    Joy Wu
    Richard Chan
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