Features: Concise appearance design, melody perfect match with water dance and LED lamp. Through the music player volume and tone control water dance beats Compatible with all the music players, such as MP3, MP4, PSP mobile phone, computer, For iPhone, For iPad, For iPod, etc. High quality sound and non-crack-noise function Excellent and romantic lighting effect Standard USB power plug, no battery power supply Left and right stereo sound, Built-in amplifier, Hi-Fi stereo speakers A perfect combination of utility and art The liquid using plant oil rather than water is more security non-conducting. Listening to music has never been this much fun to watch Specifications: Output Power: 3W x 2 Port Type: mini 5 pin USB, 3.5mm audio joint Working Current: 280-600mA Operating Voltage: DC 5V Frequency range 220Hz - 13kHz Color: Black&Transparent Size: approx. 80 x 80 x 210mm Net Weight: 677g Package Includes: 2 x Dancing Water Speaker 1 x 3.5mm Stereo Audio Cable 2 x USB Cable