This is a computer audio, made of plastic materials, durable and can be used for a long time. USB powered, more convenient to use. Lightweight, portable, and easy to carry around. Suitable for homes, dormitories, offices and other places. Features - Color: Black. - Material: Plastic. - Size: 8.00X8.00X6.00cm/3.14X3.14X2.36in. - Input power: DC5V - Frequency response: 25Hz~20KHz - Signal to noise ratio: >=80db - Power supply mode: USB DC 5V - Product line length: 1.3 meters - Input interface: 3.5mm audio interface, stereo input, compatible with most electronic devices on the market - Sound effect: 360° stereo surround sound effect, powerful bass - Speaker specifications: 50mm*2 - Speaker design: 50mm large speaker, , dual diaphragm, dual speakers, 4D shocking stereo sound - Delay: the sound is not delayed, the is not delayed - quality lossless music output, providing you excellent music experience. - Professional low frequency enhancing system, treble and bass vibrating diaphragm, you can listen to wonderful music no matter what angle you place it. - workmanship, reasonable structure, professional and practical, can bring you convenience. - It can be used as a practical your friends who like to listen to music. They will be very happy. - Suitable for desktop computer, laptop, phone, TV, media player, and etc. Package list: 2 x Desktop Speakers