1. Wireless microphone headset system: Only compatible with mic jack, not AUX jack, otherwise no sound. This wireless headband microphone features a sensitive condenser mic that captures 360° sound, delivering clear and distortion audio. Signal stability No delay No radiation Antihowling Antijamming Constant frequency. 2. Plugandplay wireless headset microphone: Easy to use—just plug and play. Automatically connects when the transmitter and receiver power switches are turned on, with the blue light flashing for 12 seconds. The light stops flashing once connected. No additional setup required. Note: This is not a Bluetooth wireless microphone. 3. Rechargeable wireless head microphone with 50m range: Includes a dual TypeC cable for simultaneous charging of the transmitter and receiver. Builtin 120mAh battery provides 6 hours of use with just 23 hours of charging. Equipped with a quality microchip for a true 165ft/50m control range, allowing movement even in large spaces. 4. Wireless headset and handheld 2in1 mic with 3D stage reverb effects: Can be used as a headset mic or detached from the headband for handheld use. Press both '' and '' volume buttons simultaneously to activate the stage hall effect, enhancing vocal clarity and adding 3D depth. 5. Wide compatibility: Includes 3.5mm and 6.35mm audio cables. Works with micinput speakers, vocal machines, amplifiers, PA systems, mixers, and voice amplifiers. Not compatible with Bluetooth speakers, iPhone, PC, or laptop. Ideal for fitness trainers, spinning instructors, yoga/Pilates coaches, water sports, teachers, speeches, YouTube recording, and more.