BY-XM6 S1 is a 2.4GHz dual-channel wireless microphone system with Hi-Fi, low-noise audio, compatible with DSLR, camcorders, and smartphones. It offers stable transmission up to 100m using AFH technology, ideal for interviews, streaming, vlogging, and YouTube. Features include mono/stereo modes, 6-level gain adjustment, built-in and external mic options, and mute. Both units have HD OLED displays for real-time status, with a headphone jack for monitoring. Compact and lightweight (32g), each unit measures 62x31.6x16.5mm, working up to 7 hours on a 2-hour charge, perfect for portable recording.