TDK EB-750 In-Ear Headphones - Stylish in Aluminium The EB-750?s are an all Aluminium housed earphone with rich sound production offering you the best direct-to-ear acoustics with some mega bass-boost for that little something extra. Comfortable noise reducing silicone sleeves in three sizes to suit everyone. Aluminium braided cable stays tangle free. Storage pouch protects the earphones when not in use.