User's Manual

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3
4.Photo of module
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5.specifications
OperatingFrequencyBand 2.4GHz~2.48GHzunlicensedISMband
BluetoothSpecification V2.1+EDR/V3.0/V4.0/V4.1(BLE)
BluetoothProtocol A2DP,AVRCP,HFP,SPP
BAS,DIS,FMP,HRP,HRS,HTP,HTS,IAS,LLS
OutputPowerClass Class2
OperatingVoltage Core:1.2V,IO:3.3V,BAT:3.4V~4.2V
Operatingtemperaterange
‐10 ℃ ~+70℃
ExternalInterface UART,SPI,IR,DMIC,SPDIFTX
6.Pin definitions