HIwatch Bluetooth Smart Watch With Camera Support 32GB TF Card SIM Card for Andorid Smartphone Hd display:High sensitive capacitive touch screen;perfect match technology Support micro SIM card and TF card insert. Compatible with Mobile phone with Android OS Phone function:1. Make phone call directly from the smart watch, including answering and dial-up. SIM slot,support make calls by Bluetooth or smart watch 1.The lost function:Seek mobile phone,Two-way anti lost; 2.Sync function:QQ.wechat,facebook,time,schedule,read message or news,3. Entertainment:MP3,MP4,Camera; 4. Sport health:Compass,pedometer,Sedentary remind,sleep monitoring;5. Self-Timer:Take photos by smart watch or use smart watch control the phone and take photos 450mAh capacity polymer battery, ultrasound technology, safe and reliable