DUAL-SIDED ERGONOMIC DESIGN - Yeah, The Ballber by Happy Nuts has two cutting edges, making it easy to shave in either direction. The slim shape is optimal for trimming hard-to-reach areas such as the groin area. Nut-Safe Blade - The 30 degree pivoting body trimmer blade is engineered for nut-keeping. Say goodbye to cuts, nicks, pulling, tugging, and snags so you can manscape with confidence. LONG LASTING RECHARGEABLE BATTERY - Talk about stamina, the Lithium-ion rechargeable battery lasts up to 150 minutes to keep your body hair trimmer ready to go. IPX7 WATERPROOF - Use The Ballber body trimmer for men with confidence in the shower for easy cleanup. POWERFUL 7000 RPM ULTRA QUIET MOTOR - High power yet low vibration tames coarse body hair with ease. Our body hair trimmer for men was built for below the belt to keep your body trim and clean. Next Generation of Below-The-Waist Trimming DUAL-SIDED ERGONOMIC DESIGN Yeah, The Ballber has two cutting edges, making it easy to shave in either direction. The slim shape is optimal for trimming hard-to-reach areas. LONG LASTING RECHARGEABLE BATTERY Talk about stamina, the Lithium-ion rechargeable battery lasts up to 150 minutes from a single charge. NUT-SAFE BLADE The 30 degree pivoting blade is engineered for nut-keeping. Say goodbye to cuts, nicks, pulling, tugging, and snags. IPX7 WATERPROOF Safe to use in the shower or rinse in the sink for easy cleaning Question 1: Can this product be used on private parts? Answer: Yes, it can be used in private parts. At the same time, it can also be used on many parts of the body, such as beard, chest hair, armpit hair, leg hair, etc. Question 2: Can this product be used in the shower? Answer: Yes, It is waterproof. Can be used in the shower Question 3: Can both men and women use this product? Answer: Yes, Unisex. Question 4: How long does the cutter head need to be replaced? Answer: We advise you to replace the blade every 1-2 year or when it no longer provides the shaving or trimming results you expect.