This GoPro Professional Compact Lens Cleaner Cleaning Pen for GoPro Hero 1, Hero 2, Hero 3, Hero 3 / Hero 3 Plus and Hero 4 Camera helps to clean your GoPro lens safely, easily and quickly. It is a pen-style lens cleaner sized for the miniature lens port found on action cameras such as the GoPro Hero. Use cleaning tip to remove fingerprints, water stains, dust and blemishes. Any free particles that remain stuck to the lens can then be wiped away using the soft brush on the other side.