1Portable Mirror: The smart UV makeup mirror is perfect for on the go use, fitting easily in your handbag or pocket. Take it with you wherever you go for quick touch ups and sun protection. 2Sunscreen Detection: The mini travel mirror allows you to see the effects of sunscreen that are concealed to the naked eye. The sunscreen appears darker in the UV camera, indicating its UV protection capabilities. 3UV Camera Function: Featuring a smart button, the mirror has a UV camera that can check sunscreen effectiveness, makeup removal, and overall skin health. Adjust brightness with a quick press and activate the UV camera with a long press. 4Skin Protection: Ensure your skin is evenly protected from the sun's harmful UV rays with this mirror. It helps with even sunscreen application and alerts you to reapply sunscreen when needed, protecting your skin from premature aging. 5USB Rechargeable: Charge the mirror easily via a USB connection to a laptop, charger, or power bank. Say goodbye to battery replacements and enjoy the convenience of this portable mirror for cosmetic and makeup.