REMAX WATCH 18 Smart GPS Outdoor Sports Positioning Watch Fitness Tracker with Heart Rate Monitor/50M Waterproof - Tarnish •【Dual-Frequency GPS Precision】L1+L5 dual-frequency high-precision GPS supports multiple satellite systems including GPS,GLONASS,BeiDou,Galileo,NAVIC,and QZSS for accurate positioning •【Professional Sports Tracking】Features 170+ sports modes with Cywee algorithm,including specialized swimming metrics and automatic recognition of 5 exercise types •【High-End Display】1.43-inch AMOLED full-touch HD screen offers vibrant visuals and always-on display capability •【Robust Battery Life】500mAh high-capacity battery provides up to 22 hours of continuous GPS use,4 days with always-on display,or 5-10 days of normal use •【Durable Design】50-meter water resistance allows for swimming,while the alloy case with silicone strap ensures durability and comfort •【Comprehensive Health Monitoring】24/7 heart rate monitoring,along with altitude,air pressure,and compass functions for outdoor enthusiasts •【Freely Switch Watch Faces】The watch has 7 built-in local dials + custom dials + app-side online massive dial downloads + multiple off-screen dials,Digital pointer,screen-off dial,free switching •Specifications: •Material: Alloy case,Silicone strap •Display: 1.43-inch AMOLED touchscreen •Processor: ATS3085L chip (GPS main control chip) •Battery: 500mAh •Charging: 2-pin magnetic,5V/0.5A input,2.5W rated power •Charging Time: 2 hours 50 minutes •Usage Time: continuous GPS time 22 hours •Always On Screen Time: 4 days •Normal Use Time: 5-10 days •Standby Time: 65 days •Water Resistance: 50 meters •GPS: L1+L5 dual-frequency,multi-system support •Sports Modes: 170+ Package included: •1 x Watch •1 x Charging Cable •1 x English and Chinese Manual