Compatible with the iPhone- iPod Touch and iPad- Galaxy and Android models. 3.5 mm Universal audio input plug links to any audio source with a standard 3.5 mm output connection. Powered by 3 *AA* batteries (not included) or DC 5V AC adapter (not included). Powerful precision tuned speakers deliver rich- impressive clear sound from an ultra compact speaker design.****AVAILABLE IN BLACK & Red- Black & Green- Pink & White AND White & Pink****Features:*** Measures 6.5* x 3* x 3.5**** Works with any device with a 3.5mm audio jack including computers- iPhone- smartphones- tablets- audio player and more*** Battery operated for ultimate portability (Requires 3 AA batteries not included)*** 3.5mm stereo cable included*** USB powered (USB cable included)*** DC jack(adapter not included) ****Contents:*** Audio speaker*** USB charging cable*** 3.5mm stereo cable