Commercial Series: Bluetooth module board Series
With LED indicator light, use 150mA and 3.3V regulation chip.
With VCC.GND.TXD.RXD foot for the Bluetooth
With "Re-seach" button(ON/OFF/WAKE foot for it , external MCU outinput "High level" can control module to re-seach)
Compatible with bluetooth master module".slave module"or master-slave(whole) module.
Input voltage: 3.3~6V
Size: 1.55cm*3.98cm