Features:

Factory clearance product with low price, made with good material. As inventory product, the surface may is not 100% new, not infulence using. 

Bluetooth audio receiver module, with aux audio input, with stereo digital amplifier, the horn is ringing, Bluetooth connection phone can also listen to the phone (free function).

Functions: Bluetooth audio reception, aux audio input, digital power amplifier stereo output and 3W speaker.

Voltage: input 5V, 3.7V lithium battery (do not support dry battery, lithium battery).

Usage: if aux is not inserted after boot, the default is Bluetooth connection. Insert aux automatically disconnect Bluetooth to aux input. You can only automatically switch one input at a time, and you can not switch to 2 states at the same time.

Size: 77*28mm

Package include:

1pc* Bluetooth Receiver Board