[Voice Amplifier with Wireless Lavalier Microphone]: The wireless voice amplifier comes with a wireless lavalier microphone. The upgraded wireless microphone design helps eliminate messy wires and discomfort associated with traditional wired microphone headsets. Simply clip the microphone onto your shirt for convenient use during teaching, training, presentations, public speaking, and other activities.[Surprisingly Loud Volume]: The wireless lavalier microphone amplifier system is compact and portable. The amplifier has a built-in speaker with a noise-canceling chip and stable signal transmission, delivering louder, clearer, and more balanced sound. This wireless microphone with speaker is ideal for classroom teaching, public speaking, interviews, and more.[Long Battery Life]: The wireless speaker system features a built-in 2600 mAh rechargeable battery that provides up to 6 hours of continuous use and fully charges within 3 hours. The portable lapel microphone offers up to 6 hours of working time and requires only 1.5 hours for a full charge.[Easy to Operate]: The wireless microphone automatically connects to the amplifier when powered on, with a stable transmission distance of up to 65 feet (20 meters). Enjoy a seamless and relaxed teaching or speaking experience with this wireless voice amplifier.How to connect the microphone and the speaker: Remove the microphone from the back of the speaker, press and hold the button on the side of the microphone for 2-3 seconds, then turn on the speaker. The microphone will connect automatically. When the connection is successful, the microphone indicator light turns solid green, and the "Connect" indicator on the speaker display remains lit.How to improve sound quality:1. Position the microphone within 6 inches of your mouth for clearer, smoother audio. Excessive distancesuch as when turning or tilting your headmay cause audio interruption or distortion.2. Small adjustments to the microphone placement and speaker position can significantly improve sound quality. Test different distances in advance for optimal performance.3. Ensure the front of the microphone faces your mouth directly to capture your voice clearly and reduce background noise.4. Avoid pointing the speaker toward the microphone, as this may cause feedback. The system may reduce certain frequencies to suppress noise, which can result in muffled or distorted sound.5. For best results, do not place the speaker and wireless lapel microphone too close together to prevent audio delay.6. To avoid feedback (such as loud squealing), always keep the speaker at least 20 inches away from the microphone.Color: Black Material: Plastic Package Contents: 1 x Wireless Speaker 2 x Lavalier Microphone 1 x Belt Only the items listed are included; other accessories are not part of the package.Note: Lighting reflections and differences in display screens may cause slight variations between the color of the item in the image and the actual product. Measurement error is permitted within +/- 1-3 cm.