Realtime display for safe, informed use Equipped with a definition digital display that shows battery level and realtime working status, helping you monitor performance and plan charging for a controlled, worry experience. Two speed modes to match your skin needs Low speed mode gently removes thin layers of dead skin, ideal for regular maintenance and sensitive areas. speed mode effectively treats stubborn calluses, giving you faster results when needed. Speed is adjustable according to your skin condition, providing suitable care. Longlasting power with USB charging Builtin 1500mAh battery delivers extended use between charges. USB port charging enables convenient recharging from a computer, power bank, or standard USB charger, reducing downtime. Easy application with minimal setup Simple, onesqueeze operation delivers professionalgrade callus removal without complex setup. Suitable for beginners and experienced users alike, offering a straightforward, enjoyable experience from the first use. Use scenarios Regular home routine: quick, comfortable touchups to maintain smooth feet, using low speed for daily care and avoiding irritation. Presummer sandal prep: tackle tougher areas with speed as needed, then switch to low for a finishing touch, helping you get ready for open footwear. Travel or onthego care: USB charging supports convenient recharging away from home, so you can keep feet looking and feeling better while traveling or at the gym.