With blade cover, compatible with many models: the same type of shaver with connection / buckle, can be used. Professional 7 heads, 7D, larger contact surface, faster shaving, bringing you a faster and cleaner shaving process. Easy to use, just snap to shave Washable, easy to clean. Great Replacement Heads: Replace old or broken heads, give your product a new look and reuse, and save money. Continue to accompany the shaver to keep working and continue to perform its functions. (same as bayonet, can be used) Men's Electric Shaver Replacement Head, Men's Electric Shaver features a special plated surface for wear-resistant, dual-ring hypoallergenic stainless steel blades and a powerful motor. Its 7d flex floating head rotates to follow the contours of your face, head, neck and chin for a tighter, cleaner cut without irritating the skin. Self-Sharpening Technology: A shaver with Self-Sharpening technology won't pull out your beard when you shave. Currently, it is compatible with many brands. Compatible fitness brands: Freedom Groom***, AidallsWell**, Vifyci*, Kibi*, AsaVe*, Aroama*, Rozi*, Roziap**, Roziahom*, Everfu*, Vsmoot*, OriHe*, WOOPOW** , Tiklea*, PaiTre*, SEFO*, Telfu* ZumY*, YEMIUG*, SKE*, Upmor*, MANL*, Asome*, ELECTRFIR*, GOOLEE*, CHI*, WAHFOX,FOXSONIC, Brands are just apps showing compatibility