With an intelligent noise-reduction chip and high-fidelity microphone core, this microphone not only avoids ambient sound interference but also picks up sound with high sensitivity, providing you with clear, high-fidelity sound quality. The microphone is equipped with 2.4G wireless transmission technology, which is plug-and-play, responsive, low latency, stable signal, and supports an ultra-long reception distance of 50 meters. It is constructed of ABS material. The length of this product is 30cm, the width is 3cm and the height is 1cm. This wireless microphone is suitable for teaching training, venue speech, tour guide, and so on. Item Name: Headset Microphone Material: ABS Battery Life: 6-8 Hours Internal Battery: 3.7V/120mA Endurance: 6-8 Hours Charging Time: Approx. 2 Hours Transmission And Reception Distance: Approx. 50 Meters Frequency Range: 16bit to 16kHz Frequency Response: 100Hz to 15KHz Modulation Method: GFSK Widely With a Variety Of Scenarios: Teaching And Training, Travel/Directing, Shopping Promotions, Conference Presentations Features: Intelligent Noise Reduction, Reverb Sound Effect, High-Fidelity Size Details: L: 30cm/11.81", W: 3cm/1.18", H: 1cm/0.39"(Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Headset Microphone