アクティブノイズキャンセル
Anc (アクティブノイズキャンセル)
Product name
T9 TWS with Touch Screen
Active Noise-Cancellation
ANC(Active Noise-Cancellation)
Feature
ANC noise reduction/Transparent/Nommalmode switch
Charging time of charging box
About 1.5H
Charging box battery
300mAH
Hom size and impedance
10mm real copper ring