DC 5V Bluetooth Power Amplifier Board Micro USB Digital Amplifier Module

Description: Audio input mode: Bluetooth audio receiver micro usb interface, powered by dc 5vmini size, convenient and easy operation, applicable speaker impedance: 4-8 ohm power supply interface: Usb micro seat (charging wire connected to the computer usb which can supply 5v)output interface: 2.54 gauge 4 needle package includes:1 piece amplifier board.