Bluetooth 4.1 receiver module

• Power supply: 3.7-5V
• Signal-to-noise ratio: 90dB
• Harmonic distortion plus noise: -70dB
• Crosstalk: -86dB
• Digital noise reduction: 91dB
• Range: approx. 10m
• Bluetooth Ver: 4.1
• Supports: A2DP/AVCTP/AVDTP/AVRCP/HFP
• Bluetooth 4.1 mode for WAV/APE/FLAC/MP3
• Dimensions: 30mm x 3mm / 1.18" x 1.18"

Usage:

When the operating voltage is applied flashes the blue LED that goes into Bluetooth mode and it is ready for connection.
The designation of the Bluetooth receiver is ?XY_BT?. You now have to go to your cell phone or something similar.
Select the receiver, connect and off you go. The blue LED now lights up permanently.