Maximize every workout while personalizing your workout style with this Fitbit Blaze smart fitness watch bundle. Track steps, distance, calories burned, floors climbed and active minutes Continuous, automatic wrist-based heart rate tracking without a chest strap Easily record runs, cardio, biking and more with real-time stats on display SmartTrack automatically tracks and records select exercises to the app Detects and automatically records sleep GPS lets you map your route in real time Color LCD touchscreen with customizable clock faces down to the minute Receive call, text or other notifications and adjust volume from the display Compatible with interchangeable bands for a personalized look Device syncs wirelessly via Bluetooth FitStar lets you view workouts right on your wrist Sweat, rain and splash-proof What's Included Fitbit Blaze fitness watch Black classic band Blue classic band Charging cable Fitbit Blaze wristband sizing tool Is your device Ftibit compatible? Search your Fitbit device compatibility here Screen size: 31.75mm diagonal Display size: 25.38mm x 19mm Band: 1.66" width (all sizes) Requires free Fitbit app Battery life: lasts up to 5 days Battery: lithium-polymer Charge time: approx. 1 - 2 hours Wireless: Bluetooth 4.0 - Learn more about Bluetooth technology Manufacturer's 1-year limited warranty For warranty information please click here Model no. FB502SBK Bluetooth Compatibility Chart Version: Compatible With: Bluetooth Smart Ready* Bluetooth Smart Ready Bluetooth Bluetooth Smart Bluetooth* Bluetooth Smart Ready Bluetooth NA Bluetooth Smart Bluetooth Smart Ready NA NA *This Bluetooth version is backwards compatible. Size: L. Color: Multi/None.