• Wireless lapel microphone with 2.4G transmission, low radiation, low interference, and noise cancellation for clear and stable sound • Working range up to 40-50 meters in open field, ideal for use in meetings, teaching, performances, and tour guides • Easy to use: connect the receiver to the MIC jack, turn on the transmitter and receiver, and they connect automatically within seconds • Lightweight and hands-free, with metal clip to attach to collar, tie, or pocket • Simple charging via USB cable, lithium-ion battery, and working time over 6 hours • Audio signal with 16-bit and 44.4 kHz digital sampling, automatic pairing, and frequency response of 20-20 KHz • 2.4G FH bidirectional transmission, 3.5 mm plug, and adapters included for different devices • Includes lavalier microphone, receiver, transmitter with clip, windproof foam, 6.35 mm adapter, recording adapter, dual USB charging cable, and user manual • Compatible with smartphones, PCs, voice amplifiers, cameras, and multimedia PA systems • Fast transmission with short audio delay (0.02 seconds), high signal stability, and anti-interference capability • Not compatible with Macbook or Mac laptops