Bluetooth v3.0
  Frequency 2.402-2.480GHz
  Max power output 3W
  Mic sensitivity -32dB
  Distance 10meters
  Charging voltage 3.7V-4.2V DC
  Working voltage 4.8V-5.5V DC
  Working current 200mA
  Antenna Built-in
  Ports Micro SD, Mini USB
  Material Metal + ABS Plastic
  Micro SD (max. memory) 16GB
  File format supported Mp3, WMA

 

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