These are over-ear, wireless Bluetooth headphones with the following features:
Noise Cancellation: They use active noise cancellation (ANC) technology to reduce ambient noise.
Sound Quality: The headphones are marketed with "Pure Monster Sound" technology, which is designed to provide an impactful audio experience.
Battery Life: Some models offer an extended playtime of up to 70 hours.
Design: They are described as having a comfortable, foldable design, making them suitable for travel.