Small and convenient does not occupy a place, on the desktop there is no sense of existence, but you can alway radio. Features: Receive and plays sound in one, no need to switch channels. High fidelity sound quality, restore clears human voice. Adopt speech processing technology to effectively reduce noise and cancel echo. Sensitivity up to -52dB, subtle human voice can be clearly recorded. With LED indicator light, the working state is clears at a glance, you can mute with one key. Plug and play, no driver required. Specifications: Directivity: full direction Frequency response: 20Hz-20KHz Sensitivity: -52dB Interface: USB2.0 Power supplys mode: USB 5V Sampling rate: 16bit 44.1KHz/16bit 48KHz Package size: 150 * 120 * 35mm / 5.9 * 4.7 * 1.4in Package weight: 155g / 5.5ounce Packing List: 1 * Microphone 1 * USB Cable