... working time in full power condition.3. Applicable to MP3, MP4, Laptop, PC, MD, Mobile phone, etc…all kinds of digital ... Speakers for Iphone/Ipod Attribute: 1.Work for ipod, mp3/mp4,PC,PDA,mobile phone,etc2.Dimensions:35*50mm3.Built-in ... li-ion battery rechargeable4.Output Power: 2W5.Speaker:4Ω6.Frequence response: 120Hz-18KHz7.Color: red, green, purple ...