Specification: Item Type: Audio Receiver Module_x000D_Material: PCB_x000D_Bluetooth Version: V5.0_x000D_Power Interface: Micro 5p_x000D_Input Voltage: 3.7V-5V_x000D_Signal To Noise Ratio: 90DB_x000D_THD+N: -70DB_x000D_Crosstalk: -86db_x000D_DNR: 91db_x000D_Transmission Protocol: A2DP, AVCTP, AVDTP, HFP_x000D_Transmission Distance: Approx. 10m / 32.8ft ( the Shorter The Distance, The Better The Stability )_x000D_Output Interface: 3.5mm Stereo ( Reserved Welding Points, You Can DIY by Yourself )_x000D_Suitable For: Mobile Phones, Laptops, Tablets, Ordinary Headphones With 3.5mm Interface. Features: 1Using bluetooth 5.0 main control chip, good transmission effect, lossless sound quality, and high stability. 2It can transmit bluetooth audio signals from mobile phones, laptops, and tablets to power amplifiers, active speakers and other devices. 3It supports the connection of ordinary earphones with 3.5mm interface, which can turn ordinary earphones into bluetooth earphones. 4It has the basic functions of BT5.0 audio and supports long?distance transmission. bluetooth 5.0 is backward compatible with bluetooth 4.2, 4.1, 4.0. 5This model is a printed circuit board, which can effectively improve the quality and reliability of the equipment. PackageList: 1 x Audio Receiver Module