UM Smart Sound App & firmware files
Fully supports the IOS & Android Operating system
Increase left and right power balance, add in ear detection parameter modification, optimize reset operation to prevent false touch, and optimize battery management
"ClassAB_v2.2.5" refers to a Class AB amplifier, while "ClassD_v6.2.5" refers to a Class D amplifier. Class AB amplifiers have better sound quality but slightly higher power consumption and shorter battery life.
"ClassAB" is the default firmware for the product.