About this item Innovative design: Wireless microphone transmitter with 3.5mm universal plug, standard 16mm capacitor microphone unit in the kit, compatible with most 3.5mm plug collar microphone, head microphone or gooseneck microphone, can be held or waist hanging. Multi-scenario application：Wireless microphone receiver with 6.35 plug can be connected to sound amplification equipment such as speaker, mixer, sound card, suitable for singing, speech, conference and other different scenes, 0.3ms ultra low latency, 5 independent channels, support five devices working at the same time. Portable, long battery life: The playing time is up to 4.8 hours, and the 5000mAh battery charging case can provide an additional 30 hours of long battery life, which can be easily put in the pocket or backpack and protect the lollipops with the all-metal shell. Stable wireless transmission: The wireless lollipops work in the UHF Sub-1GHz band, which can make signal penetrate obstacles and reduce loss. The outdoor effective working distance is 30 meters, and the effective working distance in strong interference environment is 15 meters. Brianfay-care service: Brianfay offer to provide quality services and products. If you have any questions, you can contact us through Amazon order service and official service email in the instruction book. › See more product details