Poratable Mini Speakers with 3.5mm Stereo Jack for

Portable Speakers with 3.5mm Stereo Jack for iPod/MP3 Features: 1.Compatible with iPod, CD player, PC/MAC, MP3, MP4 and DVD players 2.Can be used with any portable audio devices by the stereo jack output 3.Built-in high-capacity lithium battery and no need for extra power 4.Easy charging:automatically charging after connecting with PC or via USB power adapter(not included) 5.Built-in digital amplifier, energy-saving 6.Magnetic shielded speakers 7.Excellent sound quality and volume control 8.On/off power switch design 9.With storable 3.5mm jack audio cable 10.USB power cable is included 11.Customized colors and logos are welcome 12.Super big logo space,ideal for gifts and promotional items 13.RoHS compliant(Optional) Specifications: Output power: 2 x 3W(stereo) S/N ratio: >=85dB Frequency response: 100Hz to 18kHz Driver:(L/R) 4 Ω Lithium battery capacity:550mAH Dimensions (W x D x H): 170x34.5x56mm