IS Bluetooth Amplifier Board Stereo Audio Amp 2x5W Mini BT 5.0 Receiver Module 3.7-5V for DIY Wireless Speaker

* DIY Bluetooth Speaker: Just need a battery(this product doesn't include battery), two speakers, and a case then you will get a nice Bluetooth speaker. Recommend for use with the Icstation TP4056 Micro USB 5V 1A Charging Board: https://www.amazon.com/dp/B01LHD9D7E * Updated BT 5.0: Mini Bluetooth audio receiver board updates to Bluetooth 5.0 version, which is compatible with most mobile phones and Bluetooth adapters. The maximum transmission distance is about 15 meters. * Good Sound: It outputs 5W+5W dual channel stereo audio. Updated version supports anti cracking sound function and subwoofer enhancement. It also supports USB sound card, without drive. Just plug and play. * Low Standby Consumption: Ultra low power consumption when it is in standby mode. After 10 minutes standby, the board will automatically shut-down. Also it will automatically reconnect after power cycling the unit. * USB port: The on-board USB interface can not only be used to USB sound card but also charge the lithium battery and also...