1.Commercial Series: Bluetooth module board Series.

2.With LED indicator light, use 150mA and 3.3V regulation chip.

3.With VCC、GND、TXD、RXD foot for the Bluetooth.

4.With “Re-seach” button(ON/OFF/WAKE foot for it , external MCU outinput “High level” can control module to re-seach).

5.Compatible with bluetooth master module”、slave module”or master-slave(whole) module.

6.Input voltage: 3.3~6V.

7.Size: 1.55cm*3.98cm.