Advanced Technology: The nail lamp effectively combines 470nm blue light and 910nm invisible light, offering a safe, reliable in just 7 minutes per session. Ideal for enhancing the appearance of your nails with regular use. Portable & User-friendly: Crafted from hard plastic, this compact and device is your perfect travel companion. It's small enough to fit in your bag yet powerful enough to tackle nail effectively wherever you go. Efficient USB Charging: Easily charge this device using the included USB cable by connecting to any standard USB port. Enjoy an impressive battery lifespan, needing recharges only after 5-6 sessions, with a full recharge taking about 90 minutes. Nail Care Tips: For optimal results, keep your toenails trimmed. Cut them horizontally, shorter than the ends of your toes, using nail clippers. your clippers before each use with soap and water followed by alcohol wipe-down. Warm Reminder & First Use: the device is fully before its first use, preferably for around 90 minutes. This initial full charge helps to maintain battery health and efficiency of the nail lamp. [Tip]This product has 4 lights, and 1 light is not visible, which is normal. Tips: The product may be updated constantly, The Actual Product May Have Slight Differences Or Color Differences the color and appearance may be changed, please don't mind. And take a consideration before place the order if you have request for color or appearance. Colour:B: Black Material:plastic Package Contents: 1 x Care equipment for manicure Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.