PARAMETER --- input voltage range DC 5V-12V, support micro USB 5V power supply; blue~tooth version 4.2. APPLICATION --- headphone, speaker, home stereo system DIY. INPUT METHOD --- 3.5mm AUX input & 2.54mm 3P AUX input. OUTPUT METHOD --- 3.5mm audio output & 2.54mm 3P audio output. LED INDICATOR --- indicates status of waiting for a connection/connected/audio playing. DROK Stereo Receiver Blue~tooth Module

Parameter:
Input voltage range: DC 5V-12V
Blue~tooth version: 4.2
Blue~tooth name: Drok_BT
Working Temperature: -40℃ to 85℃
Outer dimensions: 55*32*9mm/2.17*1.26*0.35 inches

Feature:
Wide range of operating voltage DC 5V-12V.
With micro USB port, support micro USB 5V power supply.
Input reverse connection protection.
Dual audio output terminal.
Full Surface Mounted Technology.
Support antenna external connection (suitable for mounting inside a metal box).

Terminals:
Power Supply Input Terminal:
5V Micro USB port & 5-12V external power supply wiring terminal;
Audio Input Terminal:
3.5mm AUX input terminal & 2.54mm 3P AUX input terminal;
Audio Output Terminal:
3.5mm jack socket & 2.54mm 3P audio output terminal.

LED Indicator Instruction:
Quick flashing: waiting for a connection
Keeps on: connected
Slow flashing: audio playing

Usage:
This module is a blue~tooth receiver module which outputs standard analog audio signals. At the same time, the addition of AUX input terminals facilitates the connection of other audio sources.
When there is no blue~tooth connected, the AUX terminal and the OUT terminal are directly connected.
When there is blue~tooth connected, the blue~tooth audio signal is output from the OUT terminal, and the AUX terminal and the OUT terminal are disconnected.

Note:
This item is a blue~tooth receiver board, if used for speakers, please connect an amplifier. Otherwise, there will be distortion at high volume.

Package Included:
1x Blue~tooth Board