Star wars R2D2 styled USB wired speaker that offers great sound for its size. Rechargeable, highly portable speaker compatible with smartphones, MP3 players and tablets. Portable wired speaker ideal for use with smartphones, mp3 players and tablets. Features a daisy chain jack for pairing together with additional speakers to create even greater sound. Comes with a built-in rechargeable lithium battery. 1 speaker. Compatible with iPod, iPhone and iPad. 3.5mm AUX in. 3 watts per speaker. Frequency 50Hz-20000Hz. General information Size H8.5, W9, D9cm. Model number swspkr2. Speaker diameter 3cm. Power from USB. USB cable included. Batteries required 1 x rechargeable batteries (included) . Battery life 3 hours.