DollaTek Bluetooth 4.2 Decoder Board Lossless Receiving Module DIY Car Audio Amplifier Modified Wireless Speaker

Introduction: Power supply:Micro USB 5V/1A Standard 3.5mm interface Size?35x35x8mm Steps: 1. Connect the power input to the 5V power supply; (the power interface is adapted to the Android Micro USB interface). After the power is turned on, the power indicator blue light will flash. 2. Connect the audio output to the post effect. 3. Connect the audio output of the rear amplifier to the speaker. 4. Turn on the Bluetooth of the mobile phone and search for the Bluetooth device. XH-Electronics will be selected to match it. After the Bluetooth connection is successful, the blue light of the power indicator will stop flashing and it will be displayed as long light. Package Included: 1 x Bleutooth receiver board