Wireless Microphone Computer Karaoke KTV Set-top Box This product adopts imported high integrated chip, low power consumption, high sensitivity and strong anti-interference, aiming at the intelligent network age, it allows you to experience the feeling like a star. Company professional products: breaking the traditional USB sound card karaoke machine can only be used on the computer, with the network broadcast player (with millet box as famous), mobile phone, tablet, etc., popular, in the original can only connect to the computer on the basis, increase can connect to the TV, smart phone, tablet computer, android playback box. Support the major mainstream brands of intelligent TV k, such as millet, Letv, KKTV, haier, TCL, hisense, skyworth, sharp, konka, changhong, samsung, kukai, SONY and other brands of television. And support the major mainstream brands network set-top box to achieve TV karaoke, such as xiaomi box, Tmall magic box, baidu box, Letv box, youku set-top box, tianmin set-top box, inftec set-top box, huawei box, hemeidi set-top box, kaibo, dimeit, jieke and other major network set-top boxes. Technical parameters: Pickup: low noise moving coil type Microphone type: wiredwireless FM mode: FMVHF Frequency: 230 MHZ to 270 MHZ Core sensitivity: -763DB True transmission power: 16DBm Effective distance: >20M Receiver sensitivity: -105 db Frequency response: 50hz-17khz SNR: >100dBV Distortion: < 0.5 %