TINHIFI T1S Beryllium-Plated Diaphragm HiFi In-Ear Earphones with Detachable 2-Pin 0.05 Silver-Plated Cable, Sleep IEM, Cost-Effective, Available in

[T1S retunes drive based on T1PLUS] Equipped with a redesigned acoustic silicone sleeve, the T1S enhances mid-frequency density, resulting in a gentler voice, stronger low frequencies, and better high frequency extension. [Beryllium alloy diaphragm with unique physical properties] Known for being the hardest, lightest, and fastest of all metals, it is 2.5 times lighter and three times stiffer than titanium, with a sound velocity of 12 km/s. [T1S unit uses a 98% single beryllium-plated diaphragm] Utilizing the high rigidity and thinness of the beryllium diaphragm, bass is naturally full, mids are clear and delicate, and high-pass frequencies are transparent and non-irritating, making music sweeter. [Ergonomic design] Focusing on lightweight construction, it is suitable for most people. Each earphone weighs just 3.2 g, barely noticeable to the wearer. [2.8 0.05 Silver Plated Wire Replaceable Wire Design]Using 0.78 2-pin protection design, more reliable and durable.