This is a skincare instrument using fine needles to promote skin regeneration. - Item Name: Microneedle Instrument I purchased this but it's still unopened. If you're interested, please take a look. It's new and a great deal. 【Multi-functional Beauty Device】 This Microneedle Instrument has 6 total care functions. It has effects such as brightening and restoring radiance, and it also helps improve wrinkles and increase elasticity. 【Ease of Use】 The cordless design allows for free use, making it easy to enjoy an aesthetician-like care experience at home. It's especially perfect for busy people. 【Chip Set】 The included chip set contains 36-pin and nano chips, which can address various skin concerns. - Product Name: Microneedle Instrument - Chip Set Contents: 36-pin x 5, Nano chip x 3 - Brand Name: RAINMULE - Functions: Brightening, restoring radiance, wrinkle improvement, elasticity improvement, skin tightening, improvement of acne scar craters - Design Features: Cordless and easy-to-use design Thank you for viewing.