Harman Kadon’s latest headphone offering is all trimmed for the travelling iPhone or iPod owner. The BT, which stands for Bluetooth, cans feature a rectangular design honoring the iconic iPhone optic and are almost completely demountable thus adjustable due to the use of interchangeable sand-blasted steel bands in two sizes, an inner leather band and detachable leather ear pads, which clad a pair of 40mm drivers. The bluetooth music flow lasts up to 40 hours on a single charge.