The Marshall Major IV are on-ear Bluetooth headphones known for their long battery life and classic aesthetic. They feature custom-tuned 40mm dynamic drivers that deliver signature Marshall sound with "roaring bass, smooth mids and brilliant treble". Offers over 80 hours of wireless playtime, with a quick-charge capability that provides 15 hours of listening from a 15-minute charge. They have an improved ergonomic, foldable design with soft ear cushions for extended comfort and easy portability. Reviewers note a rugged, durable build with classic Marshall elements like textured black vinyl.