- Ultra portable and lightweight speaker<br />- Custom high quality speaker<br />- Build-in 200mAh rechargeable li-ion battery<br />- 3 hours working time when fully charged<br />- Input: DC 5V<br />- Output: 3W<br />- Contains colorful LED light<br />- Compatible with PC、 cellphone、 MP3/MP4 and all devices with standard 3.5mm audio plugs<br />- Comes with a keychain、 a 3.5mm audio cable、 a USB charging cable and Chinese user manual<br />                                                                                                                                Dimensions: 2.17 in x 2.17 in x 1.97 in (5.5 cm x 5.5 cm x 5.0 cm)<br />Weight: 3.95 oz (112 g)<br /><br />