Item powers on and appears to work, however moving it cause a drop in power. Possibly a loose USB port

This Douk Audio VU3 Dual Analog VU Meter is a versatile 2-way amplifier/speaker switch that's perfect for any home audio system. With a compact and lightweight design weighing only 2.89 ounces, it's easy to integrate into your setup. The package dimensions are 9.53 x 7.01 x 3.62 inches so you can find a place for it in your existing space.

The analog features of this device make it a standout addition to any audio system. It boasts a brand name of Douk Audio and comes with two channels, 5 volts, and 3 volts of voltage. The item model number is VU3 and the manufacturer is Douk Audio. The category of this product is Consumer Electronics, TV, Video & Home Audio, Home Audio, Receivers & Amplifiers, Amplifiers & Preamps.