Perfect for home or on the go, the natural wood acorn speaker will pair instantly with most wireless devices, but can also be used with an audio cable. Includes a charging cable and audio cable. High-quality sound. Up to 4 hours of continuous wireless play. Up to 33ft / 10m range. Made from natural beechwood. Instructions included. SPECS: Max output power: 3W. Impedance: 4 ohms. Battery capacity: 400MAH.