Please check whether the headset is connected to the device or whether the volume is too low, and whether the switch switch is moved to the correct position.
DELLKING INDUSTRIAL CO., LTD
East Floor 4, Building 8, Lianchuang Science Park Phase I, 21 Bulan Road, Nanwan Street, Longgang District, Shenzhen
+86-755-28441001
tech@dellking.com