1. Not Support Mobile Phone/Mac/Laptop-Latest Upgraded Wireless Microphone Headset System: Adopts advanced 2.4G wireless transmission technology. Provides 160 feet (50M) of stable wireless connection in open areas. Suitable for teaching, stage performances, meetings, etc. 2. Handheld Microphone: The microphone can also be used as a handheld microphone, allowing you to move more freely and show highlights or important facts, which is very suitable for fitness coaches, teachers and dance coaches. 3. Easy to use: Please turn on the power switch of the transmitter and receiver, the blue light will flash for about 2 seconds, and the indicator light will stop flashing after the matching is successful, and then you can use it without any other operation. 4. Wide compatibility: The 2.4G wireless microphone can be used with voice amplifiers/high-power speakers/portable PA systems/mixers/karaoke microphone speaker systems. We also provide adapters from 3.5mm to 6.35mm to help you make more choices. 2.4G high-frequency technology, easy frequency matching 2.4G features: automatic frequency matching, automatic recognition of the same brand and model receivers, automatic close-range priority frequency matching (no manual frequency matching required), no wall penetration, no impact on other classes. Multiple-person, multiple-machine use plan 2.4G wireless Advantages: lossless sound transmission, high fidelity, power saving, automatic frequency matching when powered on Material:Plastic colour: Black Package Contents: 1 set x wireless microphone