1. Main features: phone book， text messages， make phone calls， call recording ， Bluetooth music player， SMS sync， weather push notifications and other intelligent applications synchronization， pedometer， calories， sleep monitoring， remote camera， FM radio， alarm clock， calculator， calendar， time display.<br />2. The SIM card can be inserted (GSM / GPRS). Can support up to 8GB memory card. Built-in lithium battery， standby 70 hours， three hours continuous talk.<br />3. Bluetooth version: V3.0. 1.63inch IPS HD display touchscreen. Professional audio decoding signal output， headphone sound is cool.<br />4. Supported system: compatible with IOS system and Android4.0 above systems phone. IOS phones only supports call， caller ID， phone book， time display， drink reminder， sleep reminder ， FM radio， calculator， anti-lost alarm， Bluetooth music player， calendar， make phone calls and other functions. Android system application push need to install APK software (view instructions for APK software )<br /><br />Product parameters:<br />Size: about 47 x 39 x 12mm， watch strap inner diameter: 70mm ( maximum )<br />Band : GSM / GPRS (850/900/1800 / 1900MHz)<br />Storage: maximum support extended 8GB memory card<br />Data line interface: computer data transmission， smart watches， mobile phone charging function shared<br />Battery specifications: 360mah lithium battery<br />Standby time: about 50 hours<br />Supported system: compatible with IOS system and Android4.0 above systems phone<br /><br /><img src="http://img6.eachbuyer.com/x9/p100/cp332_1.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/cp332_2.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/cp332_3.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/cp332_4.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/cp332_5.jpg" />