5/10Pcs Bluetooth 5.0 Audio Receiver Board DC 3.7-5V Car Stereo Music Amplifier Module Support MICRO USB Dual Channel for DIY

High-concerned chemical : None Compatible Audio & Video Equipment Style : Amplifier Type : Bluetooth Brand Name : Shunmaii Origin : Mainland China Certification : CE Origin : Mainland China Type : Module Model Number : Audio Receiver Board Color : black, red (optional) Power supply voltage : DC 3.7-5V Power supply interface : MICRO USB port or 2.54mil pin port Bluetooth-compatible name : BM3 Communication distance : 3-12 meters (varies by environmental barriers) Support Bluetooth-compatible version : Support Bluetooth-compatible 4.1 or the following version Support cell phone system : for Android, for Apple system