Features:USB port power supply.A perfect combination of utility and art.The liquid using plant oil rather than water, and more safer.Specifications:Color: BlackOutput power: 2 * 3WWorking current: 900－1100mAOperating voltage: DC 5VFrequency response: 220Hz-13000hzImpedance: 4ohmPort type: USB A

Features:USB port power supply.A perfect combination of utility and art.The liquid using plant oil rather than water, and more safer.Specifications:Color: BlackOutput power: 2 * 3WWorking current: 900－1100mAOperating voltage: DC 5VFrequency response: 220Hz-13000hzImpedance: 4ohmPort type: USB A male to mini 5 pin, 3.5mm audio jointUSB cable length: Approx. 1m / 3.28ft3.5mm stereo audio cable length: Approx. 1m / 3.28ftSpeaker size: Approx. 8.3 * 21.8cm / 3.3 * 8.6inSpeakers’ weight: Approx. 511g / 1.13LbsPackage size: 24.2 * 18 * 10cm / 9.5 * 7.1 * 3.9inPackage weight: 716g / 1.58LbsPackage List:1 * Pair of Speaker1 * USB Cable1 * Speakers' Connecting Cable1 * 3.5mm Stereo Audio Cable(Computer is not included)