Impressive sound quality Delivers fidelity bass and crystalclear treble. Deep bass response and extended frequency range provide a balanced listening experience across all kinds of music. Lightweight, foldable and adjustable Foldable design saves space and improves portability; suitable for study, work, and travel. Soft earmuffs and ergonomic design Bluetooth headphones with soft memoryprotein earmuffs. Ergonomic design and plush padding allow longtime wear with reduced ear fatigue. Widely compatible Compatible with most smartphones, computers, laptops, tablets, mp3 players and other audio devices. Delivers quality sound with durable construction and maximum comfort. Use scenarios Studying or focusing at home, in the library, or at school. Commuting or traveling, thanks to the portable foldable design. Working from home or in the office, for extended listening sessions.