Certainly the best value for money you've never seen. The quality of this 3W audio amplifier is just incredible.Just plug in a 5V power supply and an audio source. You'll also obviously need to connect two speakers.
power supply 5V 2A 10Watts barrel jack 5.5X2.1mm 100V - 240V AC to DC Power Adapter supply * Input: 100V~240V , 50~60Hz * Output: DC 5V 2A / 2000mA 24W * DC plug size Outer Diameter: 5.5mm . Inner Diameter: 2.1-2.5mm * Plug Specifications: EU Plug * The adapters Connector: inside positive (+) . outside negative (-)