【Simplify Your Workflow】 This wireless microphone transmitter connects directly to your smartphone or tablet via the NEEWER View app—no receiver or cable needed and no charging port occupied. 【Easy Wireless Connection】 Press and hold the power button to turn on the transmitter (flashing blue light). Then, search for "KM19B" in your phone to connect. Once connected, open the NEEWER View app and ensure that "KM19B" appears in the top-left corner. Use the app's built in recorder to capture audio, or run the app in the background when recording with other apps 【Smart Noise Cancellation】 The omnidirectional transmitter features noise cancellation, 16bit sampling rate, 20Hz-8KHz frequency response, and 76dB SNR for clear, natural sound. For advanced control, the NEEWER View app offers 5 noise cancellation levels, 3 vocal enhancement levels, 75Hz/150Hz/300Hz low cut, and supports MP3, WAV, AAC audio formats 【Wear with Clip or Magnet】 The included clip and magnet allow for clip on or magnetic attacModazoneent. Compact and lightweight, this portable wireless handheld mic or clip on shirt body wearable microphone is ideal for long recording sessions and easily fits in a bag for outdoor recording 【Multipurpose Tiny Microphone】 Fully charges in 1.2 hours and lasts up to 10 hours for video recording, interviews, podcast, podcasting, professional vlog, micd up for sports, etc. This small little external mic is compatible with iPhone 16 Pro Max 15 iPad or Android cell phones as content creator essential accessories. Also as influencer must have micro phone for YouTube TikTok starter kit. NOTE: For optimal battery longevity, please fully charge the device before first use