· Superior Audio Quality and Performance: The microphones utilize the latest UHF transmission technology to provide a stable and fast connection, with no delay or cut-off, ensuring a smooth user experience. Equipped with high-sensitivity professional cardioid dynamic capsules that pick up clear, pure, and full sound while effectively eliminating background noise and howling. Distortion <0.5% · Wireless Freedom: 160ft operating range (line of sight) allows you to freely move around during performances. The upgraded chip ensures stable reception, with no delay and no noise, suitable for indoor and outdoor activities such as home karaoke, church, weddings, conferences, speeches and small stage performances. · High-Density Sponge in a Metal Mic Head:The wireless microphones combine strength and comfort with their solid metal construction, resistant to knocks and offering a comfortable grip. The high-density sponge inside a durable metal head ensures clarity and longevity, making them ideal for any occasion. With the DFTRT cordless microphone, you get exceptional sound quality and reliability every time. · Rechargeable Wireless Mics and Receiver: Equipped with a built-in 1200mAh rechargeable battery, there's no need to purchase separate batteries. Simply charge for about 2-3 hours to enjoy up to 6 hours of use. · Plug and Play, Easy to Use: Simply plug into equipment with a mic input and pair automatically. Supports 6.35mm and 3.5mm interfaces, making it compatible with mic input speakers, singing machines, audio amplifiers, PA systems, mixers, voice amplifiers, and other streaming multimedia equipment. Note: This microphone is not compatible with Bluetooth or AUX port connections. · TIPS: Please charge the microphones using the included charging cable, and it is recommended to use a 10-15W adapter. The microphones do not support Apple's USB-C cables and cannot be charged with fast chargers rated above 66W.