1. 2.4GHz WIRELESS TRANSMISSION TECHNOLOGY Our wireless microphone has high-sensitivity sound-picking microphone components, which help the microphone capture your voice with a high sampling rate and restore your voice without any distortion.2. CHARGING CASE for LONG WORKING Comes with high capacity charging case, you can easily plug in the microphone anytime and anywhere. The entire system can be used for up to a week of outdoor recording, or connect the Type-C cable to the microphone for separate charging.3.CRYSTAL CLEAR ENGRAVING; AUTO PAIRING Equipped with DSP intelligent noise canceling chip, the wireless microphone provides professional stereo quality and filters out all kinds of noise in different environments, captures the clear sound around the phone's microphone to help you finally create a recording of high quality. Just connect the receiver directly to your device, take out the Lavalier Microphone from the charging case, they will be paired and connected automatically.4. RANGE DISTANCE- Built-in optimized antenna and transmission technology enable it to cover up to 20M indoor or outdoor range distance stably. The wireless lavalier microphone provides clear tone. Ideal for bloggers, journalists, mukbang, fitness trainers, teachers and office workers5. PACKING LIST- Package includes: 1 * wireless microphone, 1 * receiver, 1 * charging case, 1 * charging cable 1 * user manual.