• Use a prepaid Micro-sim to be used in this watch, 2g/3g/4g GSM :850/900/1800/1900Mhz bands, Good for T-Mobile, Straight Talk, Simple Mobile, or any other carrier that accepts a 3G/4G GSM Sim Card. Will NOT work with any CDMA Carriers such as Verizon, Sprint, Boost, PagePlus

• Dial history,texts,setting,long time sit alarm,sleeping monitor, Anti-lost, recording, Bluetooth, daily walking steps calculating, Calculator, Web browser, Remote camera/music, changeable background picture, Micro-SIM card Slot,suppport apps such as facebook, Twitter

• Smart Watch Wrist Watch Phone with Camera. Display 1.54" IPS LCD 2.5D Radian Capacitive Touch Screen for easy operation. Built-in SIM card slot and TF card slot, Support Bluetooth connection.
• Apps like Facebook, Whatsapp, QQ, WeChat, Twitter, Time Schedule, Read Message or News, Sports, Health, Pedometer, Sedentary Remind & Sleep.
• Microphone, Touch Screen, Multi-Language, Compatible with Android iOS Mobile Tablet PC.
• SIM card inserted, working in 2G GSM 850/900/1800/1900 MHz Network, phone book, Hands-free Bluetooth phone call. SMS Local SMS, Phone SMS Bluetooth Synchronization.

• Smart Watch Wrist Watch Phone with Camera. Display 1.54" IPS LCD 2.5D Radian Capacitive Touch Screen for easy operation. Built-in SIM card slot and TF card slot, Support Bluetooth connection.
• Apps like Facebook, Whatsapp, QQ, WeChat, Twitter, Time Schedule, Read Message or News, Sports, Health, Pedometer, Sedentary Remind & Sleep.
• Microphone, Touch Screen, Multi-Language, Compatible with Android iOS Mobile Tablet PC.
• SIM card inserted, working in 2G GSM 850/900/1800/1900 MHz Network, phone book, Hands-free Bluetooth phone call. SMS Local SMS, Phone SMS Bluetooth Synchronization.

• 0.78 OLED Touch Screen: Bigger screen displays a comprehensive and obvious activity information; Simply lift your wrist to view directly the time and tap the button for steps, heart rate and other activity information; Also it cannot only remind you via vibrating when your phone receives calls, messages or other notifications such as from Facebook, Twitter, or We-chat, but also displays details on the screen directly, such as readable content of massage and name or ID of the caller etc
• Xiaomi Mi Band 3 is More Accurate Fitness Tracker.

• Best in segment Display, Touch, Chipset and Working memory(Compared to all products in this segment)
• 2G Sim Card Support( GSM, micro SIM ),TF Card upto 32 GB,2 mp camera,Audio/Video supported,G-sensor
• Sync function: QQ,wechat,Twitter,Facebook;time,schedule,read message or news;Sport health: Pedometer,sedentary remind,sleep monitoring Phone function(GSM and 2G only): Make phone call directly from the smart watch,including answering and dial-up.SIM slot,support make calls by Bluetooth or smart watch
• You Can Received Call & Talking Without Any Disturbance
• Compatibility: All Android and iOS Mobile Phone & Android Tablet PC. Android Mobile Phone

GSM 850/900/1800/1900 MHz , Single Micro SIM Card Bluetooth Dialer, Call Reminder, Bluetooth Call Bluetooth SMS/IM Message Notified Apps – Whatsapp, Facebook and others Works smoothly 2.0M Camera, Video Recording Support

• Water resistant
• Sleep-cycle smart alarm
• Fitness monitor and sleep tracker
• It can connect with your Android 4.4 or above smartphone
• Battery can last up to 30 days
• Box Contents: Mi Band sensor, Band, Charger and Getting started guide

• Digital Smart Band
• Made of Silicone
• Bluetooth Enabled
• Activity Tracker Present
• LED Display
• Water Resistant

• HEART RATE - Check your heart rate on time and record it .Easily get the details of your heart BPM without interrupting your workout.
• WATERPROOF - Stylish, comfortable and waterproof wristband that is always on and ready to go.(IP67 waterproof for daily waterproof use only),we offer 1 year warranty.
• FLASH CHARGING-Pull up the display from the band and use the USB sitck to charge, so convient to charge on via charger or computer，standby 7days, only need 15 minutes' charging
• ACTIVITY TRACKER - Tracks your workouts like steps, distance, calories burned, sleep quality all day, providing daily, weekly, monthly and annual summary of your activities, all these show on the APPs, get a better understanding of your fitness level.

• Pure pulse continuous, automatic wrist-based heart rate tracking to better measure calorie burn all day
• Maximize your workouts using simplified heart rate zones (Fat burn, cardio, and peak)
• Get a better understanding of your fitness level and see how you can improve over time with a personalized cardio fitness score
• Track all-day activity like steps, distance, calories burned, floors climbed and active minutes
• Find moments of calm throughout your day with personalized guided breathing sessions based on your heart rate

• Smart Watch Wrist Watch Phone with Camera. Display 1.54" IPS LCD 2.5D Radian Capacitive Touch Screen for easy operation. Built-in SIM card slot and TF card slot, Support Bluetooth connection.
• Apps like Facebook, Whatsapp, QQ, WeChat, Twitter, Time Schedule, Read Message or News, Sports, Health, Pedometer, Sedentary Remind & Sleep.
• Microphone, Touch Screen, Multi-Language, Compatible with Android iOS Mobile Tablet PC.
• SIM card inserted, working in 2G GSM 850/900/1800/1900 MHz Network, phone book, Hands-free Bluetooth phone call. SMS Local SMS, Phone SMS Bluetooth Synchronization.