Product Material: environmentally friendly rubber Size: 183 * 200 * 30 mm Cable length: 1.5 m Battery: 90 mAh Sensitivity: 103 dB+\/5 dB at 1KHz Drive unit: 40 mm Frequency response: 20 Hz20KHz Nominal impedance: 32 Ohm +\/ 15% Interface type: Mike USB interface Support type: mobile phone, computer universal Color: white+blue, white+pink, black+red Quantity: 1 pcs Package content: 1 pcs * Headphone 1. Lighting theme This is a kids wireless bluetooth headset with lighting theme. We hope to bring joy to every family and add a little fun to our daily life. This children's headset combines music, lighting, color and other elements, and the cat ears embedded with LEDs can flash and change color in rhythm. 2. Flexible and comfortable: A fun, stylish and unique gift idea. Over-the-ear padding for noise reduction and a secure fit. Large earmuffs with excellent passive noise reduction function ensure less interference and more comfort. 3. Function: For internet bar, headphones, monitor for video game, common headphones, for office work, for cell phone, sports, listening to music. 4. Adjustable headband: Comfortable children's over-ear headphones in cat design, adjustable size, comfortable to wear, circumaural headphones, perfect sound enjoyment. Decompression ear pads for long-lasting comfort and freedom from stress 5. Beautiful appearance: The beautiful appearance and cat ears attract young girls and are great gifts for girlfriends, women and children.