?Offical Warranty?2-YEAR BOYA OFFICIAL WARRANTY. ?Built-in rechargeable battery 10H?The built-in rechargeable battery of the transmitter provides up to 10 hours of run time, which helps you get a full day of audio recording. ?164ft/50m Long Transmission Range?Working distance up to 164ft and designed for reliable and trouble-free performance. ?Multiple Applications?Widely used for Youtube, Vlogging, Podcasting, Facebook Video Recording, Live-stream, Interview, Presentation, Church, Wedding and etc. ?Wide Compatibility?Suits for IOS devices. iPhone 7/7 Plus, 8/8 Plus, X/XR/XS/XS Max, 11/11 Pro/11 Pro Max, 12/12 Pro and iPad 2/3/4, 13 mini , 13/13 Pro, 13 Pro max , iPad Air series, iPad Pro series.(PS: The latest version of iPad Pro with type-C port is not supported). Live Broadcasting and Phone Charging Simultaneously?When the BY-WM3T2 receiver is plugged into a smartphone, the phone can be charged via Type-C charging port on the receiver. It ensures your uninterrupted work for a long time, such as live streaming. ?Auto-Repairing & Scanning?Used AUTO-REPAIRING function for match receiver and transmitter, make it easier to get started. ?Tiny & Lightweight 2.4G Digital RF Technology Wireless Mic?Compact and lightweight, and it’s easy to get started as long as you plug the receiver into the device. The combined weight of the TX and RX is no more than 15g, making them very portable. ?Intelligent Noise Cancellation Gives High-quality Sound?Effectively identify the original sound and can record clear sound in a noisy environment. By clicking the power button twice, you can activate the noise cancellation feature. ?Dual Transmitters and One Receiver?Comes with Dual transmitters and one receiver. With metal case for excellent shielding.Designed to greatly enhance sound quality, the BY-WM3T2 delivers truly exceptional audio performance to your productions.