Note: All data are measured manually, and there are certain errors in the measurement results. Specification: Item Type: Cat Ears Bluetooth Headphone_x000D_Material: ABS_x000D_Bluetooth Version: V5.0, EDR_x000D_Frequency Response Range: 20Hz-20KHz_x000D_Speaker: 40mm/1.57in_x000D_Impedance: 32_x000D_Noise Reduction: CVC6.0_x000D_Expanded Memory: 128MB-32GB_x000D_Supports Playback Format: MP3, WAV_x000D_Battery Type: 400mAh Lithium Ion Battery (Built In) Features: 1[Children's Favorite Gift] The independent cat ear LED light design of this earphone, dazzling light and moving sound quality, are deeply loved by children and are an excellent choice for children's gifts. 2[Excellent Listening Experience] The 40mm moving coil unit of the earphone has a strong bass explosion, such as the clear, real sound quality and rich bass on the scene, presenting you a different listening experience. 3[New Bluetooth Chip] The new 5.0 bluetooth chip has the characteristics of high performance, high sound quality, low power consumption and high stability, allowing you to enjoy the free of wireless. 4[Does not Clip the Ears] The leather earmuffs do not clip the ears, and the large ear shell design cooperates with the leather earmuffs to give you a comfortable experience. 5[Foldable and Retractable] The movable pull bar of the Cat ears headphone can be adjusted and retracted, and it can be folded up when traveling and carrying, which is more convenient. PackageList: 1 xEarphone 1 xSound Cable 1 xUSB Cable 1 xInstruction Book