This Professional Uhf Dual Metal Cordless Dynamic Handheld Microphone System Product Features LONG DISTANCE WIRELESS KARAOKE MICROPHONE: ?Wireless Distance Upgrade To 165 Feet (50m), Upgraded the microphone manufacturing process with Signal Stability.?Automatic connection, no additional settings. PLUG AND PLAY, EASY TO USE: ?Only need Use XLR or 6.35 cables(Included in the packaging)to connect to the device. Such as: PA Speaker, Singing Machine, Audio Amplifier, Pa System, Mixer, Amplifier And More Streaming Multimedia Equipment.?The Display Can Show The Battery Power And Signal Strength In Real Time, Don'T Worry About Suddenly Not Working. SUPERB VOCAL DYNAMIC MICROPHONE: ?Built-in cardioid dynamic capsule core (95dB2dB) and high-fidelity audio technology. No Delay, No Radiation, Anti-Howling, Anti-Jamming, Constant Frequency, Distortion 0.2%. ?Perfect for both outdoor gigs (weddings, pool parties, backyard BBQs, etc) and indoor use(class, singing, meeting). MULTIPLE USE, LOCK, AND MEMORY FUNCTION: ?In the UHF frequency band, you can chain up to 15 wireless microphone systems to allow 30 performers to be onstage at the same time without worrying about interferences.(Note: Need to lock ID first when multiple sets using). Memory function means you can return to the last channel you shut off. 1-YEAR WARRANTY AND PRECAUTIONS: ?Packing list: 2 microphones, 1 receiver, 2 XLR cables, 1 6.35mm cable, and 2 mic rings. You can use the set with your karaoke setup when the package arrives, no need to find extra wires. ?Bietrun offers a 1-year warranty and free replacement service. You can write to us if you have any questions. We will be the greatest brand in the microphone industry. Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!