Advanced ENC technology removes low-frequency noise for polished audio. Easily adjust 2 noise cancellation levels via the LarkSound App. LARK M2S Mobile Version with Type-C Plug works seamlessly with iPhone 15/16 series, Android devices and Mac computer via USB C digital outputs. A 70dB Signal-to-Noise Ratio (SNR) minimizes background noise, while the 116dB Maximum Sound Pressure Level (SPL) ensures ultra-low distortion, even with loud audio sources. With exceptional structural stability and durability, LARK M2S's innovative titanium clip-on design keeps your microphone securely in place, significantly enhancing the comfort and user experience With 2 full charges from the charging case, the LARK M2S mobile version offers up to 27 hours of total battery life. Recharge in just 1.5 hours for 9 hours of working time per transmitter/receiver (noise cancellation off)