... 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 mobilephone with li-battery Product Feature:1.ABS+ ... PC, MD, Mobile phone, etc. 4.Using the world's advanced technology, low-voltage, low-power amplifier IC.5. ... Built-in li-battery, longer time for playing with 2~3 hours.6.Approval: RoHS, ...