... with mp3, computer and mobile phone Features: 1) Creative Easter Egg Tumbler design, spin it, punch it, it always get back ... .5mm audio plug Specifications: 1).Rated Power: RMS 2W 2) Speaker Unit: 4Ω/2W Package: PVC Tube3).Frequency Response:100HZ---20KHZ ... 11) Product Color Available: Black, Red, Silver, Blue promotional easter egg mini speaker/roly poly egg speaker for mp3/mp4/mobile phone