?Tips 2?Fits for Skull direct plug connect head, do not suitable for rotary joint. ?Tips 1?This shaver head replacement fits for Remington 4 head or more heads, not suitable for Remington 3 head shavers. ?DURABLE?-- Easy to use, just snap on and shave. Made of high quality material, durable and practical. ?WET AND DRY?-- 5 System Shaving Heads Replacement for Women/Men Wet Dry Hair Remover Replacement Heads. ?4D BEARD CUTTER HEAD?-- Rotary 4D cutter head double ring blade, three-dimensional cutter head structure. ?5 HEAD & FACIAL / BODY?-- Five head design, larger-contact area, remove hair more quickly, better than four head hair remover. Our hair remover use the similar technology of facial painless hair remover, it can be used for body and facial hair remover. ?A SMOOTH SHAVE?-- USB beard trimmer with 4-direction floating heads, the 4D rotary shaver automatically adapts to the contours of the face, neck and even the jaw, and provides a comfortable and close shave everytime.