{"product_id":"yesido-kr21-type-c-plug-ai-noise-cancelling-lavalier-microphone-low-latency-wireless-lapel-mic","title":"YESIDO KR21 Wireless Lavalier Microphone – Type-C, AI Noise Cancelling, 25ms,","description":"\u003cp\u003eThe YESIDO KR21 is a wireless lapel microphone system for Type-C devices, designed for content creators, streamers and professionals who need clear, low-latency audio without a recording interface. With AI and DSP noise reduction, 48KHz\/16bit sampling, 25ms transmission latency and a 7-hour working time per charge, the KR21 comes with two transmitters and a 750mAh charging case. Curated by Aetheo for everyday recording.\u003c\/p\u003e\n\n\u003ch3\u003eWhy you'll like it\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eAI and DSP noise reduction filters steady and variable environmental noise for clean vocal capture\u003c\/li\u003e\n  \u003cli\u003e25ms transmission latency for near-real-time audio feedback during live streaming and video calls\u003c\/li\u003e\n  \u003cli\u003e48KHz\/16bit sampling rate with 98dB signal-to-noise ratio for professional-grade audio quality\u003c\/li\u003e\n  \u003cli\u003eTwo transmitters and one receiver included — two-person interview setup out of the box\u003c\/li\u003e\n  \u003cli\u003e750mAh charging case extends mic usage; microphone charges in approximately 1.5 hours\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDesigned for clean wireless recording\u003c\/h3\u003e\n\u003cp\u003eThe KR21 connects directly to a Type-C port — no receiver dongle to pair, no audio interface required. The AI noise reduction chip (AI7131A + AI7187C) processes both steady background noise and variable environmental noise independently, preserving the speaker's voice while removing ambient sound. Karaoke mode is also supported for casual entertainment use. Curated by Aetheo for practical content creation.\u003c\/p\u003e\n\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003ch4\u003eAI and DSP noise reduction\u003c\/h4\u003e\n\u003cp\u003eThe AI7131A + AI7187C chip combination applies both AI-driven and DSP noise filtering to remove background noise from recordings, resulting in cleaner audio without requiring a quiet environment.\u003c\/p\u003e\n\u003ch4\u003e48KHz\/16bit, 98dB SNR\u003c\/h4\u003e\n\u003cp\u003eProfessional-grade sampling at 48KHz with 16-bit depth captures audio detail suitable for YouTube, podcast, and live streaming workflows. The 98dB signal-to-noise ratio means background noise is significantly suppressed relative to the target voice.\u003c\/p\u003e\n\u003ch4\u003e25ms transmission latency\u003c\/h4\u003e\n\u003cp\u003eAt 25ms, the audio delay between transmitter and receiver is low enough for real-time monitoring during live streaming and video calls without noticeable sync issues.\u003c\/p\u003e\n\u003ch4\u003eDual transmitters with 750mAh charging case\u003c\/h4\u003e\n\u003cp\u003eTwo 90mAh transmitters are included, each with approximately 7 hours of working time. The 750mAh charging case recharges both transmitters and the receiver between sessions. Charging is via Type-C at 5V\/1.5A max.\u003c\/p\u003e\n\n\u003ch3\u003eBest for\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eSolo content creators who want a plug-and-play wireless mic for Type-C devices\u003c\/li\u003e\n  \u003cli\u003eInterviewers who need a two-transmitter setup for guest recordings\u003c\/li\u003e\n  \u003cli\u003eLive streamers who need low-latency audio without a separate audio interface\u003c\/li\u003e\n  \u003cli\u003eAnyone recording in noisy environments who needs effective noise cancellation\u003c\/li\u003e\n  \u003cli\u003eProfessionals who want clear lapel audio for video calls and presentations\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2 × Transmitters (90mAh each)\u003c\/li\u003e\n  \u003cli\u003e1 × Receiver\u003c\/li\u003e\n  \u003cli\u003e1 × Charging case (750mAh)\u003c\/li\u003e\n  \u003cli\u003e1 × USB charging cable\u003c\/li\u003e\n  \u003cli\u003e1 × English user manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatibility and setup\u003c\/h3\u003e\n\u003cp\u003eThe KR21 receiver plugs directly into a Type-C port. Charging interface: Type-C 5V\/1.5A max. Frequency: 2.4GHz. Certifications: CE-RED, CE-RoHS. No driver installation required for standard use.\u003c\/p\u003e\n\n\u003ch3\u003eWhy choose the YESIDO KR21?\u003c\/h3\u003e\n\u003cp\u003eThe KR21 delivers 48KHz\/16bit audio with AI noise reduction and 25ms latency in a plug-and-play Type-C format — with two transmitters and a charging case included. For content creators who need clean wireless audio without an audio interface, the KR21 is a capable and practical choice.\u003c\/p\u003e\n\n\u003ch3\u003eComplete your routine\u003c\/h3\u003e\n\u003cp\u003eExplore more curated technology and everyday wellness essentials from Aetheo, designed to make modern living feel simpler, calmer and more considered.\u003c\/p\u003e\n\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhat is the latency of the YESIDO KR21 wireless mic?\u003c\/summary\u003e\n  \u003cp\u003eThe KR21 has a 25ms transmission delay between transmitter and receiver — low enough for real-time monitoring during live streaming and video calls without noticeable audio sync issues.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eHow long does the YESIDO KR21 battery last?\u003c\/summary\u003e\n  \u003cp\u003eEach 90mAh transmitter provides approximately 7 hours of working time per charge. The included 750mAh charging case recharges both transmitters and the receiver. Charging time is approximately 1.5 hours.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eDoes the YESIDO KR21 have noise cancellation?\u003c\/summary\u003e\n  \u003cp\u003eYes. The KR21 uses AI and DSP noise reduction via the AI7131A + AI7187C chipset, filtering both steady background noise and variable environmental noise to preserve clear vocal audio. The signal-to-noise ratio is 98dB.\u003c\/p\u003e\n\u003c\/details\u003e","brand":"YESIDO","offers":[{"title":"Black","offer_id":55100820619598,"sku":"6814000859A","price":69.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0870\/2302\/6510\/files\/6814000859A-1.jpg?v=1762393450","url":"https:\/\/aetheo.com\/products\/yesido-kr21-type-c-plug-ai-noise-cancelling-lavalier-microphone-low-latency-wireless-lapel-mic","provider":"Aetheo","version":"1.0","type":"link"}