This pair of computer speakers give a lossless hifi music sound and make you feel you are at the music world. Dynamic low frequency enhancement tech creates a shocking heavy bass, mellow alto voice and crisp high pitch, which makes it suitable for different situations. Features: Shocking Heavy Bass - Adopting dynamic low frequency enhancement tech to create a shocking heavy bass. Lossless HiFi Music - High signal to noise ratio up to 65dB makes sure a lossless hifi sound. Lets you listen to the music. Noise Cancelling Sound - Helps isolate noise to achieve a super clear sound. 3in large speaker makes sound more shocking. Widely suitable for audio output of TV, computer, tablet PC, phone and other audio devices. Specifications: Product type: Computer Speakers Output power: 3W*2 Frequency response: 100HZ-20KHZ Signal to noise ratio: ≤65dB Voltage: 5V/1A Input sensitivity: 98DB Package size: approx. 16 * 8.5 * 13 cm/ 6.3 * 3.3 * 5.1 in Package weight: 375g/ 13.2oz Package List: 1 pair of Computer Speakers Shocking Heavy Bass - Adopting dynamic low frequency enhancement tech to create a shocking heavy bass Lossless HiFi Music - High signal to noise ratio up to 65dB makes sure a lossless hifi sound. Lets you listen to the music Noise Cancelling Sound - Helps isolate noise to achieve a super clear sound 3in large speaker makes sound more shocking Widely suitable for audio output of TV, computer, tablet PC, phone and other audio devices