[seventh generation top version] hifi original sound quality √ physical noise reduction √ ultra-high battery life

[sixth generation top version] hifi original sound quality √ physical noise reduction √ ultra-high battery life

[pro4 top version] hifi original sound quality √ physical noise reduction √ ultra-high battery life

[pro6 top version] hifi original sound quality √ physical noise reduction √ ultra-high battery life

[pro5s top version] hifi original sound quality √ physical noise reduction √ ultra-high battery life

[i12 top version] hifi original sound quality √ physical noise reduction √ ultra-high battery life