Promaster 4544 40.5mm Variable ND Filter Body Caps the MB-N11 features a USB-C

the MB-N11 features a USB-C connection which means you can power the batteries from a portable charger or AC power supply

and it can be used in conjunction with the MF (manual focus) Assist and Focus Magnifier features

making it perfect for remaining "invisible" on set

this turquoise treasure will take you on a trip to the magical forest of mushroom houses where everything is blue or aqua

Extra robust and shielding bottom

Promaster 4544 40.5mm Variable ND Filter Body Caps the MB-N11 features a USB-CFeatures: The PROMASTER Variable Neutral Density filter allows total lighting control in virtually any environment. Completely variable from a factor of ND3 to ND400.