1. Professional Uhf Wireless Karaoke Microphone System: The Microphone Connection Distance Is About 160feet (50m). Bluetooth 4.2 Connection Distance Is 10m. ●Signal Stability●No Delay●Anti-Howling ●Anti-Jamming ●Constant Frequency ●Clearer Sound Quality. ●Not Supported Tv And Bluetooth Speakers.

  2. Easy To Use: Plug And Play, No Extra Seting. The Wireless Microphone Receiver Has A Ul-Certified Plug, Has 3w Power, Very Safe, Or Use Power Bank (5v-1a) Supply Power. Each Microphone Ues 2 Aa Batteries (Not Included), Please Using Amazon Alkaline Aa Batteries For Longer Karaoke Time.Bluetooth Mode Is Passively Accepted And Cannot Actively Connect To Other Bluetooth Devices. The Channel Is Locked, Not Use More Than Two Microphone Systems In The Same Room, It Will Cause Interference.

  3. Wireless Microphone System With Treble/Bass/Echo : The Wireless Microphone Machine Has A Treble, Bass, Echo Control Knob, So You Can Choose Different Microphone Sound Effects According To Different Songs, You Will Look Like A Shining Star When You Singing. This Wireless Microphone System Has Bluetooth Function, You Can Use Your Phone To Connect To It Via Bluetooth( Bietrun 06) To Play Your Favorite Music. Please Not Using Rechargeable Batteries.

  4. Multi-Function Wireless Microphone: There Has Multiple Cables Of Different Specifications To Connect Multiple Media Devices In The Package Set.E.G: Iphone, Tv Boxes, Computers, Amplifiers, Speakers, Multi-Media Equipment, Laptop, Guitar Speaker Etc. For Karaoke, Family Parties, Singing, Youtube, Live, Tiktok, Speech Contest, Conference, Church, Wedding Host, Car Audio System, Dome Room Audio System, Etc. Please Refer To The User Manual Before Connecting The Device.

  5. Packing List And 1-Year Warranty: Bietrun Offers 1-Year Warranty And Free Replacement Service, If You Have Any Question, Please Contact Us Anytime. Packing List: 2*Rca Cable, 1*1/4'' Cable, 1*Ul Certification Adapter, 1* Singer, 2* Microphone, 1*Usb Cable, 2* Microphone Protector. Please Note: Please Put On The Battery Correctly. Receiver Size: 8.3 * 4.5 * 2 Inch.

  1. [Professional Uhf Wireless Karaoke Microphone System]: The Microphone Connection Distance Is About 160feet (50m). Bluetooth 4.2 Connection Distance Is 10m. ●Signal Stability●No Delay●Anti-Howling ●Anti-Jamming ●Constant Frequency ●Clearer Sound Quality. ●Frequency Response 50hz-18khz; Snr >95db; Distortion <1%; 15 Uhf Work Channels(Ch01-Ch15).

  2. [Wireless Microphone System With Treble/Bass/Echo] : The Karaoke Microphone Set Has Treble, Bass, Echo Control Button, So You Can Choose Different Sound Effects According To Different Songs. This Wireless Microphone System Has Bluetooth Function, Connect Via Bluetooth( Bietrun 08) To Play Your Favorite Music.This Wireless Microphone Has 30 Channels, Each 15, You Can Switch To The Channel That Do Not Have Interference. Perfect For Karaoke, Speech, Meeting, Conference, Indoor Or Outdoor.

  3. [Easy To Use]: Plug And Play, No Extra Seting. Comes With Two Handheld Wireless Karaoke Microphone, You Can Do All You Want On The Microphone And See Clearer From The Large Led Display. The Wireless Microphone Receiver Has A Ul-Certified Plug, Very Safe, Or Use Power Bank (5v-1a) Supply Power. Each Microphone Ues 2 Aa Batteries (Not Included), Please Using Amazon Alkaline Aa Batteries For Longer Karaoke Time.

  4. [Multi-Function Wireless Microphone]: It Has Multiple Cables Of Different Specifications To Connect Multiple Media Devices In The Package Set.E.G: Iphone, Tv Boxes, Pc, Amplifiers, Speakers, Multi-Media Equipment, Laptop, Guitar Speaker Etc. For Karaoke, Family Parties, Singing, Youtube, Live, Tiktok, Speech Contest, Conference, Church, Wedding Host, Car Audio System, Dome Room Audio System, Etc.

  5. [Packing List And 1-Year Warranty]: Bietrun Offers 1-Year Warranty And Free Replacement Service, If You Have Any Question, Please Contact Us Anytime. Packing List: 2*Rca Cable, 1*3.5 Mm Cable, 1*6.5 Mm Cable,1*Ul Certification Adapter, 1*Receiver, 2* Microphone, 1*Usb Cable.

  1. 【bluetooth wireless karaoke microphone system】: built-in high sensitivity professional dynamic microphone, transmission distance upgrade to 98ft (30m), bluetooth 32ft(10m) ◆signal stability◆no delay◆no radiation◆anti-howling◆anti-jamming ◆constant frequency◆distortion <0.2%◆15 uhf adjustable channels. ◆only applicable to input devices with mic interface, 6.35mm (1/4") or 3.5mm(1/8''), not applicable to aux / line in jack.

  2. 【wireless microphone system with echo/treble/bass】 : the wireless karaoke microphone set has echo, treble, bass control button, so you can choose different sound effects according to different songs. this wireless microphone system has bluetooth function, connect via bluetooth( bietrun 09) to play your favorite music.this wireless microphone has 30 channels, each 15, you can switch to the channel that do not have interference. perfect for karaoke, speech, meeting, conference, indoor or outdoor.

  3. 【1200mah battery and display】:the receiver of this wireless microphone set built-in 1200 mah rechargeable lithium-ion batteries can offer about 6 hours working time and fully charged in 3 hours. the microphone does not come with any batteries, we recommend using 2 aa amazon alkaline batteries. and our bluetooth microphone has large led display, you can clearly to see the batteries, channels and signal.

  4. 【portable and professional dual dynamic microphone】: plug and play, no extra seting. you can adjust echo, treble, bass, volume or switch channels on the handheld microphone at will, portable and convenient, eliminating the trouble of carrying the receiving systerm. comes with dual handheld wireless karaoke microphone, widely applied to conference,speech, web podcast, yoga instructor, church, get together, family party, opening ceremony, dancing instructor, promotion etc.

  5. 【advanced connection and after sales】: if your microphone has no sound, make sure you have enough power for the microphone and receiver. insert the mic jack, not an aux/line in jack. bietrun offers 1year warranty and free replacement service.can write to us when you have any questions.we will be the greatest brand in the united states.

  1. Professional UHF Wireless TV Karaoke Microphone System: The microphone designed with coaxal & optical input for smart TV. It’s compatible with TV from Vizio, Samsung, LG, Sony, TCL, etc. Please make sure to enable your TV’s digital audio out and choose coaxal/optical as audio format under expert setting on the TV for home tv karaoke. Note: please avoid too much tension during optical cable pulling or despoiling. please refer to the user manual when connected to smart TV.

  2. Enhanced UHF Bluetooth Wireless Microphone: Microphone Receiver with Enhanced detachable Antennas, Signal range is up to 160feet/50m, Signal stability, No delay, Anti- howling, Anti-jamming, Constant frequency, Clearer sound quality. The external Enhanced Bluetooth antenna extends The Bluetooth audio coverage to 64feet/20m.●Microphone receiver with display is can clearly display the current channel and volume, so that the working status of the microphone is clear at a glance.

  3. Wireless Microphone System With Treble/Bass/Echo : The Wireless Microphone Machine Has A Treble, Bass, Echo Control Knob, So You Can Choose Different Microphone Sound Effects According To Different Songs, You Will Look Like A Shining Star When You Singing. This Wireless Microphone System Has Bluetooth Function, You Can Use Your Phone To Connect To It Via Bluetooth( Bietrun 15) To Play Your Favorite Music to Karaoke.Please don't use rechargable batteries.

  4. Easy to Use: Plug and play. The Wireless Microphone Receiver has a UL-certified plug, has 3w power, very safe, Or uses power Bank (5V-1A) supply Power. Each microphone uses 2 AA batteries (not included), Please use Amazon alkaline AA batteries for longer karaoke time. Bluetooth mode is passively accepted and cannot actively connect to other Bluetooth devices. (Note: if there is signal/noise interference, open the back cover of the microphonead to adjust the frequency of this microphone).

  5. Multi-function Wireless Microphone and One-year Warranty: There has Multiple cables of different specifications to Connect multiple media devices in the package set.E.g: smart tv, iPhone,computers, amplifiers, speakers, multi-media equipment, laptop, etc. for karaoke, family parties, Car audio system, Dome room audio system, etc. Please refer to the user manual before connecting the device.We offer 1-year warranty and free replacement service, If you have any question, please contact us anytime.