Typical devices are microcontrollers with Bluetooth module (type HC*06 (SPP), BT09 (BLE), etc.), USB / Serial converters, other Android devices with Bluetooth terminal applications, peripherals running TCP clients / servers, etc. .
Supported Android
{4.0 and UP}
Supported Android Version:-
Jelly Bean(4.1–4.3.1)- KitKat (4.4–4.4.4)- Lollipop (5.0–5.0.2) – Marshmallow (6.0 – 6.0.1) – Nougat (7.0 – 7.1.1) – Oreo (8.0-8.1) – Pie (9.0)