3.7V-5V Micro USB Power Port bluetooth 5.0 Button Control Audio Receiver Wireless Decoder Board Module

Features 1 Using Bluetooth 5 0 main control chip good transmission effect and high stability2 With button control there are control up and down music volume addition and subtraction playback stop switch machine etc and reserved high and low level control interfaces regardless of daily use and DIY modification3 The micro 5p interface is powered and the mobile phone charger charging cable can be used Specifications Product name Bluetooth 5 0 audio receiverBluetooth version V5 0Power interface micro 5p reserved 2 5mm welding port this model does not support battery power supply Input voltage 3 7V 5VSignal to noise ratio 90DBTHD N 70DBCrosstalk 86dbDNR 91dbTransmission protocol A2DP AVCTP AVDTP HFPTransmission distance about 10 meters the shorter the distance the better the stability Output interface 3 5 mm stereo reserved welding points you can DIY by yourself Product color black whiteProduct weight 6 gramsProduct size 30 x 30 mmPacking size 8 x 5 x 2 cmProduct Usage 1 The Bluetooth audio signals of mobile phones laptops and tablets can be transmitted to power amplifiers active speakers and other devices through this Bluetooth audio receiver The audio interface can also be connected to ordinary earphones with 3 5mm interface which can turn ordinary earphones into Bluetooth headset without microphone voice chat is not supported 2 The PCB board reserves 2 control ports one is to output high level first and then output low level whe