The Garmin fenix 5X Plus Sapphire is the ultimate multisport GPS Watch that offers the performance that puts the X in Excellence. This smartwatch includes wrist heart rate technology and color TOPO maps featuring Trendline popularity routing to help you find and follow the best paths. Wrist-based Pulse Ox Acclimation sensor provides awareness of your blood oxygen saturation levels -- especially useful when you're adjusting to higher altitudes. The 5X is fit for adventure with rugged design that features scratch-resistant domed sapphire lens plus stainless steel bezel and rear case. Easily store and play up to 500 songs on your watch, and connect with Bluetooth® headphones (sold separately) for phone-free listening. Use Garmin Pay contactless payment solution to make convenient payments with your watch, so you can leave your cash and cards at home. The battery lasts up to 20 days in smartwatch mode and 13 hours in GPS mode with music (depending on settings).