... .Fashion design 2.Accompanying speaker for MP3,MP4,MP5 and notebook 3.For 3.5mm audio plug 4.RoHS, CE Mini hamburger Speaker, Mini Speaker for mobilephone with li ... .With 3.5mm audio plug, Applicable to many digital audio player like MP3, MP4, Laptop, PC, MD, Mobile phone, etc. 4.Using ... -power amplifier IC.5.Built-in li-battery, longer time for playing with 2~3 hours.6.Approval: RoHS, CE, FCC ...