****
bluetooth
*
*
*
(bluetooth
* bluetooth classic
* PC
*
* bluetooth 4.1 (BLE)
* SoC
*
*
*
* * *
bluetooth BR/EDR (classic, bluetooth version 3.x )
bluetooth LE (BLE, bluetooth version 4.0 )
BR/EDR BLE bluetooth smart ready
classic BLE
bluetooth (kindle ) Bluetooth Low Energy