Welcome to our store！</br> 1、Using bluetooth 5.0 main control chip, good transmission effect, lossless sound quality, and high stability. 2、It can transmit bluetooth audio signals from mobile phones, laptops, and tablets to power amplifiers, active speakers and other devices. 3、It supports the connection of ordinary earphones with 3.5mm interface, which can turn ordinary earphones into bluetooth earphones. 4、It 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. 5、This model is a printed circuit board, which can effectively improve the quality and reliability of the equipment. <div class="wang-edit-text"><div><div>Item Type: Audio Receiver Module Material: PCB Bluetooth Version: V5.0 Power Interface: Micro 5p Input Voltage: 3.7V-5V Signal To Noise Ratio: 90DB THD+N: -70DB Crosstalk: -86db DNR: 91db Transmission Protocol: A2DP, AVCTP, AVDTP, HFP Transmission Distance: Approx. 10m / 32.8ft ( the Shorter The Distance, The Better The Stability ) Output Interface: 3.5mm Stereo ( Reserved Welding Points, You Can DIY by Yourself ) Suitable For: Mobile Phones, Laptops, Tablets, Ordinary Headphones With 3.5mm Interface.</div></div><style> .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }</style></div> 1 x Audio Receiver Module Satisfaction - Our customers are our top priority. If you find any product problems after receiving the goods, such as damage and incorrect quantity of goods, please contact the seller immediately. We try our best to provide you with satisfactoryaftersalesservice</br>