Durable Bluetooth-compatible 5.0 DC3.7-5V Stereo Audio Power Amplifier Module

2pcs Bluetooth-compatible Audio Receiver Board for Audio Amplifier 3.7-5V BT5.0 Stereo Car Speaker Amplifier DIY Features: Lossless sound quality: the Bluetooth-compatible audio receiver is equipped with a real 5.0 Bluetooth-compatible audio decoder chip and 3.5 stereo dual channel headset audio interface, the wired audio has wireless Bluetooth-compatible function. [Bluetooth-compatible 5.0]: Bluetooth-compatible 5.0 audio reception board, backward for Bluetooth-compatible 4.2, 4.1, 4.0. [Parameters]: Power supply: 3.7-5V; SNR: 90DB; THD+N: -70DB; Crosstalk: -86DB; Support Profile: ADP / AVCTP / AVDTP / AVRCP / HFP. [Decoding Format]: WAV+APE+FLAC+MP3 lossless decoding, stereo output. Transmission distance: 15 for m transmission in barrier-free environment. Specifications: Product Dimensions : 3 x 3 x 0.3 for cm; 11 Grams Package included: 2 x Audio Receiver Board