s: USB port power supply. A perfect combination of utility and art. The liquid using plant oil rather than water, and more safer. Specifications: Color: Black Output power: 2 * 3W Working current: 900－1100mA Operating voltage: DC 5V Frequency response: 220Hz-13000hz Impedance: 4ohm Port type: USB A

s: USB port power supply. A perfect combination of utility and art. The liquid using plant oil rather than water, and more safer. Specifications: Color: Black Output power: 2 * 3W Working current: 900－1100mA Operating voltage: DC 5V Frequency response: 220Hz-13000hz Impedance: 4ohm Port type: USB A male to mini 5 pin, 3.5mm audio joint USB cable length: Approx. 1m / 3.28ft 3.5mm stereo audio cable length: Approx. 1m / 3.28ft Speaker size: Approx. 8.3 * 21.8cm / 3.3 * 8.6in Speakers’ weight: Approx. 511g / 1.13Lbs Package size: 24.2 * 18 * 10cm / 9.5 * 7.1 * 3.9in Package weight: 716g / 1.58Lbs Package List: 1 * Pair of Speaker 1 * USB Cable 1 * Speakers' Connecting Cable 1 * 3.5mm Stereo Audio Cable (Computer is not included)