TRUEFREE

TRUEFREE is a companion app designed exclusively for TrueFree series Bluetooth earphones. It empowers your workout experience with customized settings and unique features: ~ Firmware updates ~ Customizable equalizer ~ Hearing test ~ Battery level indicator ~ White noise ~ More unique features Supported devices: TRUEFREE O1、TRUEFREE F2、YAMDROK Power1、TRUEFREE O2、 TRUEFREE Clip C10、 TRUEFREE B1、 TRUEFREE EarFit DS1、YAMDROK NC1、TRUEFREE HF-10、TRUEFREE HD-100、 TRUEFREE HD-200、 TRUEFREE F3