Revesun Silver Bluetooth Smart watch/Wristwatch With Heartrate Test/Pedometer/MP3/MP4/Anti-lost Camera for Boys/children for Iphone/Samsung/Huawei/Android Phones HD display: High sensitive capacitive touch screen;perfect match technology Style: Florid,Colorful,Classics.Free switch;Self-Timer: Take photos by smart watch or use smart watch control the phone and take photos Phone function: Make phone call directly from the smart watch,including answering and dial-up.SIM slot,support make calls by Bluetooth or smart watch The lost function: Seek mobile phone,Tow-way anti lost;Entertainment: MP3,MP4,Camera Sync function: QQ,wechat,Twitter,Facebook;time,schedule,read message or news;Sport health: Pedometer,sedentary remind,sleep monitoring