In addition to a 10mm dynamic graphene driver, the EVO also contains a balanced armature (BA) driver, which has been tuned to perfection by the ears of musicians and engineers, and an LDAC codec that ensures that the perfect sound remains faithful, even without wires. 1More's own QuietMax noise filtering technology offers simple and effective options to hear only what you think is important during use. With its 28 hour maximum battery life, fast charging time, wireless charging option and dual mode sound transparency settings this hi-fi quality, splash and dust resistant TWS will become an important part of your life.