Glowing Cat Ear Design: Cute Cat Ear Design, Cat Ear And Earcap With 7 Color Breathing Lights, Very Attractive. A Great Gift For Kids, Girls, And Cosplay Fans. Bt5.0 Connection: Bt5.0 Technology, Fast And Stable Connection. Easy To Pair With Bt-Enabled Audio Devices To Enjoy Wireless Music And Hands-Free Calls. Aux-In & Tf Card Music Playing: Connect To Mp3, Mp4, Laptop And Other Non-Bt Audio Devices Via The Included 3.5Mm Cable. Also Supports Tf Card Music Playing. Great Sound Quality: High Precision 40Mm Diameter Driver Brings You Vivid Sound Field & Sound Clarity And Immerses You In Your Own Music World. Ergonomic Design: Adjustable Headband Length, Soft Ear Cushion, Comfortable To Wear, Suitable For Different Head Sizes. Foldable Earmuffs, Easy To Store.