AK45 Stereo Audio Amplifier,Rated Power 40W Home 2 Channel Wireless Bluetooth 5.0 Power Amplifier System, Home Amplifiers FM Radio, USB, SD Card, w/Remote Control Home Theater Audio System

【Bluetooth 5.0 】Built-in bluetooth 5.0 core, no pop, no audible noise when Bluetooth connection is established, designed for the customers who pursue HiFi sound. (NOTE: Please keep the distance within 30ft/10m between the device and amplifier without any wall blocking. But if you are connecting whith TV or PC devices, please keep the distance within 15ft/5m.)