JS-BTM8675
BT Version         Bluetooth V4.2
Power Level        Class 1 / Class 2
Chipset Type        CSR8675
Support Profiles     HSP,HFP,A2DP,AVRCP,SPP,BLE 
Support Codec       SBC,AAC,aptX classic,aptX HD
Denoising Algorithm    CVC     
Control Mode        PIO,UART,I2C
Audio Output     Analog differential output,I2S 
Transmission Distance  >10m 
Working Current      <30mA
Standby Current      < 50uA
Temperature Range     -20ºC ~ +70ºC 
Size of Module       22 x 15 x 2.2mm
Product Status       MP
Applications  BT Speaker,TWS Speaker,Broadcast Speaker  

       JS-BTMA2F76
BT Version         Bluetooth V4.2
Power Level        Class 1 / Class 2
Chipset Type        AB1520C
Support Profiles     HSP,HFP,A2DP,AVRCP,SPP,BLE 
Support Codec       SBC,AAC
Denoising Algorithm   Airoha     
Control Mode        PIO,UART,I2C
Audio Output     Analog differential output,I2S 
Transmission Distance  >10m 
Working Current      <30mA
Standby Current      < 50uA
Temperature Range     -20ºC ~ +70ºC 
Size of Module       25 x 14.5 x 2.2mm
Product Status       MP
Applications        BT Speaker,TWS Speaker
            JS-BTMA2F74
BT Version         Bluetooth V4.2
Power Level        Class 1 / Class 2
Chipset Type        AB1520C
Support Profiles     HSP,HFP,A2DP,AVRCP,SPP,BLE 
Support Codec       SBC,AAC
Denoising Algorithm   Airoha     
Control Mode        PIO,UART,I2C
Audio Output     Analog differential output,I2S 
Transmission Distance  >10m 
Working Current      <30mA
Standby Current      < 50uA
Temperature Range     -20ºC ~ +70ºC 
Size of Module       19.5 x 14.5 x 2.2mm
Product Status       MP
Applications        BT Speaker,TWS Speaker

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