This Mp3 Mp4 sound box is suited to iPod mp3 mp4 (but not for iPhone). MD, CD, Notebook, PC, PDA, PSP. A mobile phone and other digital products with audio frequency output. With mouse shape, mini and portable. Blue Light Eyes White Mouse Speaker Sound Box for MP3 MP4 PC Ideal White Mouse Speaker can enhances your music experience anytime and anywhere Conversion to 3.5mm plug from 3.5mm, and insert the audio plug to input plug, insert the other end to audiogenic products Blue Light Sound Box with volume wheel and extended booster sound The MP3 PC Speaker suitable for MP3, MP4, CD, mobile phone and other digital products with 3.5mm audio This Mp4 Sound Box used for charging the equipment with USB power interface Built-in Lithium ion batteries with electric circuit protecting environmental function Mouse eyes with light when powered on Loudspeaker output: 2W Li-ion battery Output: 3.6V Li-ion battery Input:4.2V±0.05V Dimensions: 7 x 5.2 x 3.2cm Weight: 84g