MP3 Bluetooth-compatible Decoder Board Lossless Car Speaker Audio Amplifier DIY Board, 501 Original

Function:Support Bluetooth-compatible 4.1, support automatic link back function, support WAV+APE+FLAC+MP3 lossless decoding, stereo output.Specification:Power Supply: 3.7V-5VSNR: 90dBTHD+N: -70dBCrosstalk: -86dBDNR: 91dBSupport Profile: A2DP/AVCTP/AVDTP/AVRCP/HFPLOS: >15mUSB Power Supply: Universal Micro USB 5V Power Supply3.7V-5V power supply pad: realizing external 3.7V-5V lithium power supplyLED indicator: Bluetooth-compatible mode, long blue light3.5mm Stereo Audio Interface: Standard 3.5mm Interface, Output Stereo Audio, Insert Headphones, Connect Power Amplifiers and Other EquipmentProduct size: 30mm*30mm*5mm/1.18*1.18*0.19\\'\\'Packing weight: 5gOperation Manual:1. With USB power supply, the blue indicator flashes and enters Bluetooth-compatible mode; when you hear the voice broadcast \\\"The Bluetooth-compatible device is ready to pair\\\", you enter Bluetooth-compatible mode and wait for pairing; after Bluetooth-compatible searches for \\\"XY_BT\\\" (the name of the decoded device), you click on the connection.2. When hearing the voice broadcast \\\"The Bluetooth-compatible device is connected successfully\\\", it means that the decoder board is connected to the mobile phone successfully, and the blue indicator lights up long enough to play music, then the blue indicator flashes.Note:Please allow 1-3mm differs due to manual measurement.Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understanding.Package Content:1 X Bluetooth-compatible Audio Receiver Board