1. Wireless Cat Ear Bluetooth Headphones: Bluetooth 5.0 wireless cat ear headphones with LED lights and a built - in microphone, suitable as a gift for children. 2. It supports both Bluetooth and MP3 functions, can play stereo music and make calls. 3. It is compatible with all audio devices with Bluetooth functionality, such as mobile phones, tablets, laptops, and desktop computers. 4. It is equipped with a 3.5mm audio jack, providing a simple wired connection for various devices without Bluetooth. 5. It allows users to answer or reject calls anytime, anywhere. 6. It is charged via USB, with a built - in rechargeable battery, which is convenient and practical. 7. It can offer up to 8 - 10 hours of music playback, 8 hours of continuous call time, and 148 hours of standby time. 8. It features a foldable design and hinges of appropriate length for comfortable wearing and easy carrying. 9. It is a good choice for scenarios like listening to music, watching movies, and online chatting. 10. It comes with an SD card slot, enabling users to enjoy music anytime, anywhere even without a Bluetooth device. 11. It is rainbow - colored cat ear headphones, suitable as a festival gift for children. Specification Parameters: 1. Bluetooth version: V5.0 2. Frequency: 2.40 GHz - 2.48 GHz 3. Power: 4 dBm, Class 2 4. Effective range: 10 meters 5. Sensitivity: 105db / 0.1% bit error rate 6. Frequency response: 20Hz - 20kHz 7. Signal - to - noise ratio: 110 dB 8. Distortion: 0.10% 9. Speaker size: 40mm 10. Supported protocols: A2DP 1.2, AVRCP 1.0, HSP, HSF 1.5 11. Voltage: 3.7vdc (400 mAh rechargeable battery) 12. Call time: 8 hours 13. Music playback time: 6 hours 14. Standby time: 148 hours 15. Charging time: 1.2 hours 16. Current: 20 mA 17. Operating temperature: -4°F to +131°F (-20°C to +55°C) Package Contents: 1. Headphones ×1 2. Charging cable ×1 3. Audio cable ×1