Bluetooth Module QCC3034 supports /-HD//ACC transmission codecs. Dual-core design for greater stability, featuring two TPA3116 amplifier chips. The TPA3116 audio power core offers high performance, low power consumption, high-definition sound quality, and comprehensive protection. Product Name: 2.1-Channel Bluetooth Digital Audio Amplifier Board Model: XY-Q100H Power Supply: DC 12-24V/5A or higher Audio Source Input: Bluetooth/AUX/USB Sound Card Bluetooth Name: Bluetooth Audio Codec: /-HD//AAC Color:As Shown Material:PCB Package Contents: 1 * Bluetootooth Audio Amplifier Board With Shielded Wire 1 * screwdriver Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.