Wiress Microphone Computer Karaoke KTV Set-top BoxThis product adopts imported high chip, low power consumption, high sensitivity and strong anti-interference, aiming at the intligent network age, it allows you to experience the feing 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 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 intligent TV k, such as millet, Letv, KKTV, haier, TCL, hisense, skyworth, sharp, konka, changhong, samsung, kukai, SONY and other brands of tevision. 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 typeMicrophone type: wired/wiressFM mode: FM/VHFFrequency: 230 MHZ to 270 MHZCore sensitivity: -763DBTrue transmission power: 16DBmEffective distance: >20MReceiver sensitivity: -105 dbFrequency response: 50hz-17khzSNR: >100dBVDistortion: < 0.5 %