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. 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 leather ear cushion, comfortable to wear. Foldable earmuffs, easy for storage. Note: When in AUX-IN mode, it is an ordinary wired headset and buttons cannot work. Specifications: BT version: 5.0; Support Profiles: HSP, HFP, A2DP, AVRCP; Transmission Distance: up to 10m (no obstacle); Drive Unit: 40mm; Frequency Response: 20-20KHz; Resistance: 32ohm; Sensitivity: 115dB; Rated Power: 40mW; Microphone: Built-in; Plug Type: 3.5mm Audio Port; TF Card Support: max. 32GB (NOT included); Battery Capacity: 400mAh; Music Playing Time: about 9 hours (depends on the volume); Charging Time: about 2.5 hour; Charging Voltage: DC 5V; Color: Black, Pink, Blue, Purple, White (Optional); Main Item Size: Approx. 19.2*18.7*7.6cm/7.56*7.36*2.99in; Item Weight: 221g/7.79oz; Package Size: 21.2*18.8*7.7cm/8.34*7.40*3.03in; Package Weight: 335g/11.81oz;