Wireless BT Karaoke Set with Dual Wireless BT Microphone for Smart TV/Set-top zG Features: Adopt BT 5.0 technology, fast wireless audio transmission speed, low loss. Built-in high performance professional digital audio processing chip, stable current frequency, clear and noiseless. The cardioid microphone effectively isolates the sound source from subtle background noise, making the overall sound smooth and natural. Equipped with multiple ports to connect different devices. Compatible with smart TV, set-top box, projector, desktop computer, laptop, tablet, smart phone, etc. Specifications: Karaoke box color: Black BT version: V5.0 Chip: DSP8048A Effective distance: 30M Microphone material: Aluminum alloy+ABS Karaoke box material: ABS+UV+plating Microphone polar pattern: Cardioid Karaoke box port: DC, USB sound card, HD input, SPDIF input, 3.5mm audio input/output, Frequency range: 700MHz-780MHz Frequency response: 20Hz-17.5KHz Receiving sensitivity: 99dBm-82dB Audio dynamic range: ≥100dB Transmitting power :≥100dBm Package includes: 2 * Wireless microphone 1 * Karaoke box 1 * USB cable 1 * 3.5mm audio cable 1 * 3.5mm to RCA cable 1 * Power adapter 1 * User manual 1* Plug adapter Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-DIMEANI official store