Model: D20L Compatible platforms: for ANDROID, for iOS, for Windows Mobile, Applicable people: women, men, children, business, public, teenagers, couples, fashion, adults, the elderly Screen size: 1.3 inches Battery capacity: 50 Product Weight: 20 Wearing method: wristband Operation mode: touch Interface: USB 2.0 Wireless distance: 5m (inclusive)-10m (inclusive) Communication function: not supported Wristband material TPU Additional functions: step counting, smart reminder, remote selfie, health monitoring, information push, sleep analysis Specifications: Characteristic - Keep track of your daily activities.Number of passing stepsMedium and high intensity activity time and activity hoursWake up your vitality. - Heart rate blood pressure blood oxygen monitoring.High performance sensor,initiating heart health research,fine ldentify arrhythmias and manage heart health independently. - Sleep detection technology can record complete sleep structure and sporadic sleepNaps,sleep improvement suggestions and personalized sleep assistance services,mprove sleep quality scientifically. - Care about health indicators,track for 24 hours,and master physical changes at any time. - Multi language menu display is equivalent to customization in multiple countries Personality dial. - Intelligent reminders of SMS,incoming calls,alarm clock,schedule and other situations,Don't miss important news.Control music playback and remote cameraFind functions such as mobile phones to reduce the burden and add energy for a better life.   Package Included: 1×Smart watch, 1×Manual