After-Sales Support: Our professional team is ready to assist you with any issues you may face after receiving the product. Please contact us immediately if you require any help. Convenient Packaging:Each replacement head comes in independent disposable packaging to guarantee its quality,so you will never receive defective product. Hygienic and Easy to Clean:Stainless steel is designed to resist dirt,can be rinsed directly under the water faucet or cleaned by soaking, can be used both wet and dry. The replacement head is designed to be inserted, making it easy to install and remove.Maintain a fresh and clean trim with this hassle-free grooming accessory. Dual Edge Swiveling Head:This nose hair trimmer has an internal double-edged rotating blade system that rotates 360° to perfectly fit the contours of your nose (Noted: Can't use ear), ensuring safe and easy removal of nose hairs without pain or unpleasant tugging sensations, leaving you looking smooth and tidy and feeling more confident at work or on dates. Perfectly Compatible: Compatibility with the Philips for OneBlade Trimmer series,Including QP2724/ QP2520/ QP2530/ QP2620/ QP2630/ QP2515/ QP2734/ QP2834 and One Blade Pro 360 QP653 / QP6510/ QP6520/ QP6550/ QP6551/ QP6650/ QP6651 (Note: Shavers are not included).