FeaturesHigh-Resolution Audio CertifiedDeliver amazing sound quality which complies with the High-Resolution Audio standard 24-bit/96kHz and is much better than CDs 16-bit/44.1kHz. The frequency response is up to 45 kHz which exceeds the standard of Hi-Res earphones 40 kHz. Compared to traditional earphones the sound reproduction is closer to the original sound.High Quality MaterialsAdopt OFC wire cores to reduce the loss of signal transmission and the attenuation of sound. The standard 3.5mm gold-plated stereo plug effectively reduces signal resistance. Provide high-fidelity transmission of audio signal resolution and conductivity.Large 9mm Titanium Driver UnitAdopt a large 9mm nano-titanium driver unit to deliver a precise representation of the original sound. Provide ultra-fast responses and withstand unsurpassed dynamic power simultaneously.Sound IsolationErgonomic design with three sizes of interchangeable soft silicone earplugs provides maximum comfort and a secure hold and blocks outside noise.In-line RemoteTangle-free cable with the in-line multifunction button and the HD microphone allows you to take handsfree calls play or pause a song and use the voice control function conveniently.Comfortable to WearComfortable earplugs and anti-drop adjustable and secure ear hooks enable you to enjoy music while going for a jog or workout at the gym.