1. Not Support Mobile Phone//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 or important , 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/ 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 matching2.4G features: automatic frequency matching, automatic recognition of the same 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 plan2.4G wirelessAdvantages: lossless sound transmission, high fidelity, power saving, automatic frequency matching when powered onMaterial:Plasticcolour: BlackPackage Contents:1 set x wireless microphoneOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.