Passive Stereo Volume Controller , Mute Control Large Volume Knob Passive Monitor Controller XLR and 3 for . 5mm Interface Plug and Play for Laptop electronics_best_sellers_May2024 it can be inserted either

it can be inserted either way

you can power the fan through a wall outlet and set the speed freely to optimal noise and airflow

Note that the positive and negative poles of the input must not be reversed and that reversing the polarity will result in permanent damage to the product7

Multi-functional

Notice: 2 AAA batteries need to be prepared by yourself

Passive Stereo Volume Controller , Mute Control Large Volume Knob Passive Monitor Controller XLR and 3 for . 5mm Interface Plug and Play for Laptop electronics_best_sellers_May2024 it can be inserted eitherPassive Stereo Volume Controller , Mute Control Large Volume Knob Passive Monitor Controller XLR and 3 for . 5mm Interface Plug and Play for Laptop Product Features Unadulterated Signal Our passive stereo monitor controller boasts a pure signal, thanks to its passive circuitry . This ensures that your audio signal remains pristine and unaltered , leading to superior results and sound quality . Precision Control Knob : The controller features a