Part of the D20 Multi-tool battery system. Versatile and durable speaker designed to connect wirelessly to mobile devices. Once the mobile device is paired with the speaker it will auto-link to stream music through the speaker. In addition, it is equipped with one auxiliary port for MP3 compatibility and one USB port for charging mobile devices. Batteries and charger available separately. D20 interchangeable battery system allows you to combine one battery with any of the tools within the D20 series. 1 x D20 20V Wireless Speaker Product dimensions: (W) 123 x (D) 145 x (H) 183mm , Auxiliary input: 3.5mm, Output power: 2 x 3W , Weight (bare): 0.82kg, Operating range: up to 10 metres