Hands-Free Working Out Amazfit Pace Onboard Music | Sony 28-Nanometer GPS | Ceramic Bezel | Heart Rate Up to 5-Day Battery Life | Smart Notifications Download music to the watch and listen through your Bluetooth headphones as you run. Store up to 500 songs1 Easily achieve your exercise targets as you enjoy your favorite tunes Sony 28-Nanometer GPS: Get accurate exercise data Satellite signals are received via the watch's built-in GPS module. So, as you run, walk or cycle the data will be recorded accurately, including mileage, altitude, stride frequency, pace, etc. It's easier than ever to analyze and improve your exercise routine. Ceramic Bezel and Constant Display The ceramic bezel is friendly to the skin in addition to being reliable and wear-resistant. The always-on display keeps you in touch with the time. The display screen is reflective, so the stronger the ambient light is, the clearer the watch face will be. The backlight of the display screen automatically adjusts to the ambient light, so you'll always have a clear screen display. used rarley and great condition whithout warranty comes whith charger and watch.