Product Model: JD-510 Color: White Voltage: USB charging, DC 5V; compatible with car charger, computer USB port, power bank, and other standard USB power sources Power: 6W Charging Time: Approximately 2.5 hours Motor Speed: Approximately 13,500 RPM Machine Speed: Approximately 2,200 RPM on high speed setting, approximately 1,700 RPM on low speed setting Main Functions: 1. Removes dead skin, calluses, and rough skin 2. Vacuum function for collecting skin particles and debris How to Use: Press and hold the power button for 2 seconds to turn on; the device defaults to low speed with a green indicator light. Press the button briefly to switch between speed settings Battery Type: 1200 mAh lithium-ion battery Battery Life: Up to approximately 100 minutes of continuous use, depending on usage pattern and cleaning intensity Water Resistance: The device is water-resistant. After use, the grinding head can be rinsed under running water, or the entire unit can be rinsed under a faucet. Do not submerge the device in water or soak for extended periods Key Features: 1. Built-in vacuum system for efficient dust and debris collection 2. Two-speed settings for customizable exfoliation 3. Fully washable design (rinse under faucet; do not soak) 4. 1200 mAh high-capacity lithium battery with fast charging and long runtime; low noise operation 5. Charging indicator light; light changes during charging and switches with speed setting 6. Built-in overcharge and over-discharge protection 7. Sleek design with ergonomic non-slip handle 8. Includes: 1 foot file with coarse grinding head (pre-installed), 1 additional coarse grinding head, 1 fine grinding head, USB charging cable, cleaning brush, transparent protective cover, user manual, and color box Package Contents: 1 x Foot File Unit, 1 x USB Charging Cable, 1 x Cleaning Brush, 1 x Transparent Protective Cover, 1 x User Manual (packaged in 1 color box) Quantity: 1 Piece Dimensions: 165 x 76 x 50 mm (measured manually; allow 12 cm variation) Color Disclaimer: Due to differences in monitor displays and lighting conditions, the actual product color may vary slightly from the image shown