Small earphones with microphone featuring stylish design and lively, detailed sound with a strong bass. The all-new Mi In-Ear Headphones Pro HD comes with a hybrid dual-dynamic and balanced armature drivers. The dual-dynamic driver keeps the bass and mid tones mellow, and is made with graphene material that pumps out sounds with fuller and richer details. The balanced armature driver retains the rich details of the high notes for the main melody, so you get to experience tri-band equalization effect. The Mi In-Ear Headphone Pro HD uses a patented, hybrid dual dynamic and balanced armature drivers that delivers music of greater and finer details. The Mi In-Ear Headphones Pro HD has adopted a rounded and 45° angled in-ear design to fit perfectly and deliver true music to your ears. It has precise cavity structure calibrations that lets music sing better. It also comes with the highly stretchable TPE wiring that is hardy and durable. The Mi In-Ear Headphones Pro HD are ergonomically designed to conform to the shape of your ear canal. The 45° angled in-ear design fits snugly and closes off to environmental noise, so you can enjoy pure music without much external interference. The Mi In-Ear Headphones Pro HD wired control is inspired by the overall design of the headphones. It is dressed in full metal and lined with highly stretchable matte wiring, making it sleek, compact, and feels great on your fingertips. We've specially selected TPE, with elasticity similar to that of rubber, as the raw material. The aluminium alloy iron sound chamber is crafted using the CNC diamond cut finish with up to 0.01mm precision. Such crafting process requires prior analysis on the aluminium material before it is sent for processing, resulting in a pair of Mi In-Ear Headphones Pro HD that is comfortable and delicate on the ears. Specifications: Weight: 17g; Color: Silver; Cable length: 1.25m; Jack type: 3.5mm; Rated power: 5mW; Speaker Impedance: 32 Ω; Sensitivity: 98 dB; Frequency response range: 20 - 40,000 Hz, Package: Mi In-Ear Headphones Pro HD, Plastic box with upper and lower lid, Silicone hub network, 3 sets of ear buds, User guide, Bag