Comica LinkFlex AD1 XLR to 3.5mm TRRS Adapter None Comica Audio LinkFlex AD1 XLR is an XLR-to-3.5mm TRRS audio adapter that allows the integration of microphones with in XLR and real-time monitoring for vlogs, interviews, live streaming and videography. Designed for use with iOS / Android cameras and mobile devices, the LinkFlex XLR features a three-position switch that allows you to easily select between smartphone or DSLR compatible modes, as well as an off position to save battery power. Optimize signal levels by adding up to 10 dB of gain with stepless volume control. Connect the Balanced 3-pin XLR LinkFlex AD1 jack to a microphone that does not require phantom power (such as a dynamic microphone or battery powered capacitor). clip the control unit to your belt, then connect the 3.5mm TRRS plug to your mobile device or camera. With the 3.5mm headphone output of the control unit, real-time monitoring is as simple as plugging in a headset. With an over 16 inch cable between the XLR jack and your smartphone / DSLR, you can keep a proper recording distance without extension cords. Features: Perfect for simultaneous audio recording and monitoring Designed for dynamic microphones equipped with XLR and condenser mics that do not require phantom power Built-in preamplifier provides up to 10dB of gain through smooth gain control 3-position switch for easy off / smartphone / DSLR selection 3-pin female XLR with 12.4 'cable 3.9' cable with 3.5mm mini TRRS plug connects with a mobile device or DSLR camera The 3.5mm stereo headphone output on the control unit allows you to monitor the headphones in real time Powered by one CR2032 3V battery For 40 hours of standby The LED indicator turns red when the battery level is low ii is low or stays green under normal operating conditions Back panel clip for attaching the Control Unit to a belt or bag "