... Speaker 1.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 ... .5mm audio plug, Applicable to many digital audio player like MP3, MP4, Laptop, PC, MD, Mobile phone, etc. 4.Using the ... -power amplifier IC.5.Built-in li-battery, longer time for playing with 2~3 hours.6.Approval: RoHS, CE, FCC ...