Glowing Cat Ear Design: Cute cat ear design, cat ear and cat paw 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. Ergonomic Design: Adjustable headband length, soft leather ear cushion, comfortable to wear. Foldable earmuffs, easy for storage.