FIFINE Fifine 20-Channel UHF Wireless Lavalier Lapel Microphone System with Bodypack Transmitter, Mini XLR Female Lapel Mic and Portable Receiver, 1/4 Inch Output. Perfect for Live Performance. (K037)

• STABLE SIGNAL and CLEAR SOUND. UHF wireless lavalier microphone system is less likely to subject to interference from local radio stations. Reliable signal within 50 feet. Perfect for live performance. ** NOT compatible with smart phones, computers, and Apple products. **Choose the other model K031B if you need a mic for computers.**
• EASY-TO-READ LCD SCREEN. The screen on transmitter displays the transmitting frequency and remaining battery life, so no need to guess involved.The indicator of receiver will flash and turn green if low battery. You can know the microphone working status well during performance.
• UNIDIRECTIONAL LAV MIC. Cardioid polar pattern rejects unwanted noise. Included windscreen also reduces plosives, wind and breath sounds. Clip it as close to under your chin as possible and with the top of the windscreen pointing up towards your mouth.
• 20 SELECTABLE CHANNELS. Easily change to a clean channel if use with other wireless microphone system or experience interference. Good to be used for a mobile DJ. Work with speakers, mixers, amplifiers and sound boards that with 1/4" interface to output the sound. **The included adapter is only for the camera that has 3.5mm mic jack, not for phones or computers.**
• UNIQUE ID CODE. Each wireless microphone unit has been set a unique ID code that allows the use of several K037 wireless lapel microphone at the same time without worrying about cross connecting issue.Allows multiple wireless mics used simultaneously.

• Fool-proof USB installation: plug-and-play USB Microphone on Mac, Windows and PS4.
• Compact size will not block your face during streaming. Get rid of bulky plastic headset.
• All-metal body enhances professional feeling and even protects the mic from drop damage.
• Cardioid pattern reduces irritating fan or keyboard noise for crystal clear communication.
• Your computer's perfect partner: Improve the Sound of Your Audio Projects.

Fifine UHF Dual Channel Wireless Handheld Microphone, Easy-to-use Karaoke Wireless Microphone System-K036.

• Operating Range: 80 feet in the line of sight. UHF wireless microphone is less likely to subject to interference than VHF microphone. Reliable signal and no worried about the sound will be cut in and out during use. ★Need a digital to analog converter (not included) to connect the tv output to the mic system if you use tv to stream music.★
• 3 vocalists can sing karaoke together. 1/4’’ input for extra wireless microphone (not included but could be found from Fifine). Separate volume control (VOL.A & VOL.B) for each wireless mic. Perfect for karaoke, party, school and church.
• Adjustable echo effect. Allowed to mix the mic signal with music signal without using a mixer. Compact metal receiver, has stronger anti-interference ability than plastic ones. This cordless microphone system can save space at home and be portable for on the go use.
• 3 included cables allowed flexibility for connections. 1x1/4’’ audio cable (L:39’'), 1x3.5mm audio cable (L:59’'), 1x3.5mm to RCA audio cable (L:59'’). It could be a karaoke microphone or speaking microphone to meet different purpose.
• You will get: 1 wireless receiver, 2 handheld microphones, 3 audio cables, power cord, useful video guide and friendly customer service.
• Tips: Needs to work with speakers/soundbars have AUX(3.5mm or 1/4'') or RCA input port. If you use the smart tv to stream music, you will need a digital to analog converter (not included) to connect the tv output to the mic system. More connecting suggestion could be found from the guide videos on product page.

FIFINE  Wireless Microphone, FIFINE Handheld Dynamic Microphone Wireless mic System for Karaoke Nights and House Parties to Have Fun Over the Mixer,PA System,Speakers.(K025)

• The Freedom to Roam Anywhere--Cordless microphones will give you the mobility and freedom of movement when to do energetic and active performances. Great for smaller live performances on stage, weddings, engagements or religious events.
• Clear Communication is Always Ensured--UHF wireless capability provides a stronger clearer signal and better sound quality, reducing the possibility of interference and dropouts. Work in the range of over 80 feet, you have total freedom when you're singing on stage, taking assembly at school, using them for houses of worship or presentation halls.
• Convenient and Easy to Use--Plug and play. 20 selectable frequencies for interference-free performance. Low-battery warning indicators on receiver and microphone, enables constant monitoring of system operation. Comfortable and easy to hold singing microphone, great for karaoke nights and smaller house parties to have some fun over the speakers.
• Dynamic Microphone with Cardioid Polar Pattern--Cardioid capsule with a warm, smooth sound and excellent feedback rejection. Ensures maximum gain before feedback and makes your voice cut through any mix. It provides low handling noise sensitivity, high gain before feedback and brilliant sound quality.
• What You Get--Lightweight, versatile, compact wireless microphone and receiver with durable 1/4 inch jack (6.35mm) output for DJ mixers and guitar amps. (Batteries are NOT Included)

Preamp for condenser microphones