SWM15-PRO Wireless Karaoke Microphone Mixer System w/ HDMI ARC, Optical, Bluetooth – Sound Town
Shure RPW174 Wireless Microphone Capsule, Black | Full Compass Systems
Amazon.com: Pyle UHF Receiver System, Wireless Bluetooth Microphone Includes 2 USB 1200mAh Rechargeable Battery Handheld Microphones, Ideal for for Home Karaoke, Classroom, Office and Business Applications : Musical Instruments