3.5mm Stereo Mini Mobile Speaker for New iPad (iPad 3) / iPad 2 / iPhone 5 / iPhone 4 & 4S / Tablet PC / Laptop, Red(Red)

1) Perfect companion to any tablet PC / Laptop. 2) High-fidelity sound, High Power output. 3) 3.5mm plug compatible with all types of player equipment. 4) Built-in Lithium battery, can work about 3-5 hours. 5) Easily to carry 6) Size: 45 x 45 x 35mm 8) Frequency: 200Hz-17KHz 9) Input voltage: 3V-6V 10) Output sound pressure: 89db 11) Rated power: 3W 12) Impedance: 4 ohms 13) Power amplifier: 2 x 2.7W