Feature: 1. The microphone is divided into two parts of transmitter and receiver. The receiver can be connected to audio with a 3.5mm plug, and the transmitter can be worn on the head or hand held manually. 2. Exquisite appearance and small size make the product easier to carry, the wireless speaker is easier to use, the sound quality is clear and bright without distortion. 3. This wireless microphone uses 2.4G high‑end wireless technology. The wireless amplification distance is up to 40 meters in the company environment, the clear sound quality without directional restrictions in use, one‑to‑one automatic connection to avoid interference. 4. Turn on the transmitter switch, the screen flashes blue light, then turn on the receiver, the blue light flashes for 1‑2 seconds to realize automatic pairing, when the blue indicator light is no longer flashing, confirm the connection is successful. 5. Transmitter and receiver all built‑in high‑energy polymer batteries, this product is widely used in amplifiers, audio, video, professional audio‑visual amplification, etc. Specification: Item Type: 2.4G wireless microphone Material: Metal + plastic Colour: Black Battery: 5V high-energy polymer battery Battery Capacity: 600mah Size of Plugs: Approx. 3.5mm / 0.14in, approx. 6.35mm / 0.25in Wireless Amplification Distance: Approx. 40 meter / 131.2ft. Package List: 1 x Transmitter1 x Receiver1 x 3.5mm Connector1 x 6.35mm Adapter1 x Head Bracket1 x Power Cord1 x User Manual Note: 1. When the "blue light" of the working indicator flashes quickly and the power supply is insufficient, please turn off the product and charge it (please note that the product can only be charged with 5V power supply or plugged into the computer USB port).2. The charging status is "red light" long on , The red light goes out after totally charged, and then charge finished.3. The function of this product is to automatically connect the frequency with the started product first after startup.