Upgraded KZ ZS10 PRO X The upgraded KZ ZS10 PRO X earphone is one of a kind with years of careful research, development and improvement. The new headset features enhanced high-frequency performance and custom drivers, meaning a more sensitive transient response, with increased bass impact and better sound clarity. 10mm Dynamic Driver+4 Custom Balanced Armatures With the upgraded 10mm dynamic driver, the ZS10 PRO X increases sensitivity of 1KHz compared to the previous model. Four custom balanced armatures provides stunning high-performance with crystal clear highs, smooth mids, and powerful lows while improved hybrid technology ensures increased sensitivity and faster response in your music and voice calls. Classic Alloy Faceplate+Resin Shell Maintaining the classic look of KZ ZS10 PRO, the KZ ZS10 PRO X features an alloy faceplate, complemented with a resin cavity. Two different materials lead to an innovative collision of hard and soft. Enhanced Detachable 0.75mm 2Pin Connector Improved recessed 0.75mm 2Pin connector will provide better durability and stability. Each wire is added with 500D nylon wire to prolong its lifespan and reduce the stethoscope effect. Detachable feature ensures more possibilities for those who love to change things up. Ergonomic Shape, Wide Compatibility This cutting-edge in ear monitor from KZ features a unique blend of style and functionality, combining comfort with functionality and sonic accuracy. Ergonomic shape ensures lasting comfort throughout the day. No more fatigue after longtime use. Earphone Specification : Product model: KZ ZS10 PRO X Impedance: 29ohm Sensitivity: 1123dB Frequency: 20-40000Hz Cable length: about 1205cm Cable material: silver-plated cable Plug: 3.5mm Connector: recessed 0.75mm 2pin Microphone: Yes