Twostage sharpening for knives and scissors: coarse and fine slots restore dull edges and refine a razorsharp finish so blades cut cleanly with less effort. USB rechargeable for easy power: builtin USB charging port lets you recharge the sharpener quickly at home or take it on trips without replacing batteries. Durable, reliable construction: molded PP body and silicon carbide sharpening elements provide longlasting abrasion and consistent results for regular use. Stable, safe operation: nonslip base keeps the unit steady during sharpening to reduce slips and improve control. How this helps Save time and money: restore and maintain blade performance at home instead of replacing knives or paying for professional sharpening. Safer, better cutting: sharp blades require less force and reduce the risk of slips and accidents during food prep or cutting tasks. Portable and convenient: USB charging and compact design make it easy to keep sharp blades whether you're in the kitchen or away from home. Materials and compatibility Materials: PP housing with silicon carbide abrasive slots. Compatible with: most kitchen knives and household scissors that fit the sharpening slots. Power: USB charging port for recharging the internal power source. Practical use scenarios 1) Home kitchen: quickly refresh chef's knives and paring knives between cooking sessions to maintain precise slicing and chopping. 2) Outdoor camping: recharge via USB and sharpen camp knives and scissors before food prep or gear repairs. 3) Household tool care: keep utility scissors and small cutting tools in good condition for crafts, gardening, or DIY tasks. Simple to use Insert blade into the appropriate slot (coarse for very dull edges, fine for finishing), draw steadily through the slot a few times, and repeat as needed. The nonslip base improves stability while you work. What to expect Consistent sharpening action from silicon carbide abrasives, a durable PP body for everyday use, and the convenience of USB recharging for mobile or fixed use.