These headphones are designed to provide you with a comfortable and smooth listening experience. Here are some key features: 1. Easy to adjust: The ear cups are rotatable and the headband is adjustable, allowing you to easily customize the headphones to fit your head. This ensures a comfortable wearing experience all day long. 2. Foldable and compact: With their simple style and lightweight design, these headphones can be folded to a compact size for easy transport. You can take them with you wherever you go. 3. Comfortable to wear: The ear cushions are made of skin-friendly material that is soft and breathable. You will feel much more comfortable when enjoying movies or music. 4. Wide compatibility: These headphones can be easily connected to smartphones, tablets, MP3/MP4 players, or laptops, allowing you to easily listen to music and watch videos. 5. High-quality material: Made from high-quality material, these headphones are robust and durable, ensuring long-lasting use. Specification: - Output power: 20mw*2, 20MW* 32Ω - Maximum output distortion: ≤1% - Type: wired headset - Signal-to-noise ratio: 93dB - Sensitivity: 103dB ± 3dB - Input voltage: DC 5 V - Working voltage: DC 3.7 V Packing list: - 1 * Headphones (random cable color)