1ea of Hello Kitty Multi speaker MP3 File Playback FM Radio PC Speaker LED LAMP USB32GB Model : Multi speaker USB-307 Dimension : 63 x 63x 150 mm Output: speaker 40hm /Charing time: 3~5 hours in maximum Frequncy : 85.5~108 mhz Power : 2W +2W /Weight : 0.25KG /Battery : DC 3.7V