Ultra-Compact Construction &Fast Auto Pairing: World smallest and lightest transmitter (37*37*17.5mm, 21g ) plus a convenient and portable charging case for easy charging, auto-pairing, upgrade and storage for the whole system. Handsfree fast pairing enabled inside the portable charging case, hassle-free and easy to use. | LARK 150 is a compact 2.4 GHz digital wireless microphone system. 2 TX & 1 RX Combo, it is widely using in videographers, vloggers and mobile journalists. (For Iphone 7 and above versions need to use original 3.5mm-lightning adapter. The adapter is not included in our package.) | Two-Way MUTE & Real-time audio monitoring: Easy and complete control of the whole system with microphone's mute accessible on both TX and TX, 3.5mm TRS audio output plus an additional 3.5mm headphone jack for audio monitoring on RX. | TWO-N-ONE COMBO: The Versatile Combo Comprised of Two TX and One RX Standard Packing Plus a Lavalier Microphone, a TRS Cable, a 3.5mm User-Friendly Windshield, and a Storage Bag Works As the Most Ideal Microphone System for Vlogging, YouTubing, Interviews, On-Stage Talk Shows, Commercials, Live Streaming, and Other Types of Content Creation. | PROFESSIONAL SOUND QUALITY: With DSP (Digital Signal Processor) Intelligent Noise Cancellation, Anti-Vibration Sound Chamber Design, Ultra-Wide Frequency Response, Ultra-High SNR(Signal to Noise Ratio), Plus Built-In High-Sensibility Omnidirectional Microphone on TX, for High-Precision Sound Pickups and the System's Professional Sound Quality.