this is my honest review guys i owned boat rockerzs 400 before this and not i switched to rockerzs 510 the headphones r large and are non foldable and the design n style is excellent and has elegant looks pros 1 sound quality is very good 9102 bass is excellent 10103 looks n design is excellent 10104 headphones button controls r very good 5 flipkart delivery 1010 6 after sales services of boat are very good 910 cons 1 the ear cups r soft but still