Developer's DescriptionBy LG Electronics, Inc.New Tone Free app for LG TONE Free, true wireless earbuds.New Tone Free app for LG TONE Free, true wireless earbuds.1. Main Features- Equalizer setting- Touch pad setting- Find my earbuds- Ambient sound setting- Reading SMS, MMS, Wechat, message from messenger or SNS applications- User guides* Please allow Tone Free Notification access in Android settings so you can use Voice notification.settings security Notification access2. Supported models- HBS-FN4/5W/6- HBS-FL7 (Some functions such as Touch pad setting, Ambient sound setting, etc. are not supported.)