1. Note: The function of pedometer is inactive.Two Working Mode:One Is Company Mode(Bluetooth), It Enable To Make Call Or Receive Call Or Send Or Get Message Etc Via Bluetooth. The Other One Is Network Mode(Sim Card Inserted). It Enable To Make Call And Send Or Get Message Via The SIM Card You Inserted Which Means At This Time This Watch Works As A Real Cellphone. 2. Sync Function: Whatsapp,Twitter,Facebook,Browser(Need Put A 2G/2.5G Network SIM Card); Time,Schedule,Read Text Message;Sport Health:Sedentary Remind; 3. Phone Function: Make Phone Call Directly From The Smart Watch,Including Answering And Dial-Up.SIM Slot,Single SIM Card (Micro SIM Card) Can Be As A Phone,Support Make Calls By Bluetooth Or Smart Watch;GSM/GPRS 850/900/1800/1900(2G) 4. Call,High Sensitive Capacitive Touch Screen;Perfect Match Technology,1.54" TFT HD LCD; Resolution Ratio: 240x240 Pixel 5. Other Functions: Image Viewer, Sound Recorder (Need Put And SD Card ), Audio Player, Remote Capture, Alarm Clock, Calendar, Calculator, Camera (0.3M),Two Way Anti-Lost;