1: Toggle the power switch The Bluetooth-compatible receiver indicator (blue-red) light flashes to indicate that it is ready to pair.
2: The Bluetooth-compatible receiver is connected to the speakers via a 3.5mm audio cable.
3: Open the Bluetooth-compatible settings on your smartphone, search for Bluetooth, and click to start pairing, successfully pairing, and the Bluetooth-compatible indicator will light up (blue).
NEW Bluetooth Adapter 3 in 1 Wireless 4.0 USB Bluetooth Receiver 3.5mm Audio Jack TF Card Reader MIC Call Support Car Speaker