Live a smart life with all handy features right on your watch so that you never missing a notification or a call and waking up by the alarm alert on your watch Modify your style everyday with 100 trendy watchfaces Fastrack Reflex World is the perfect companion app for your Fastrack Limitless FS1 with a user-friendly, easy to use UI. Download and install the app from Google Play or App Store to take a smart step towards fitness