Bluetooth Speaker module(BM42)


  • * Compliant with Bluetooth V4.2+EDR specification with bluetooth low energy.
  • * Software protocols:  A2DP V1.3 , AVRCP V1.6, HFP V1.7(Configurable), HSP V1.2(Configurable), Bluetooth Low Energy.
  • * Easy to communicate with other host MCU by simple AT private commands.
  • * Range up to ten meters cable to communicate with other Bluetooth devices.
  • * Build-in 16-bit stereo Audio Codec.
  • * Auto connect last connected device when power on.
  • * Auto transfer between mobile phone and Bluetooth module.
  • * Support Mic muting and cancel Mic muting.
  • * Support PIO to control external audio PA enable bit.
  • * LED indications to present different state.



  • * Input power:3.3V ~ 4.2V
  • * Frequency Band: 2.4GHz ~ 2.4835GHz
  • * Range: 15~25  meters (free space)


  •  bm42

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