Important Notice:If you don't insert the sim card.You (Can not Dial)!If only connected with Bluetooth functions:See messages, contacts, whatsapp, twitter, facebook etc. information and sync sports data.(Can not Dial)</br>CPU: MTK6580 Quad Core 1.3GHz,1GB RAM and 8GB ROM memery, 450 mAh battery.</br>HD Screen:1.63 inch large screen,320*320 HD resolution Large touch-screen more accurate,high quality display,enjoy smart watch life.</br>Smart watch wider connectivity support SIM Card,WiFi,3G Network,WCDMA mode independent use smart watch with all function without smartphone browse internet,use facebook whatsapp ect,keep you online all time.</br>Health Monitoring: Heart and pedometor sensor, high-precision GPS, barometer, calorie counter, record daily activities and lead a healthier life.</br></br>Product Description</br></br></br><b>Parameters:</b></br>Brand: NO.1</br>Display: 1.63 inch Screen</br>Battery: 450mAh Built-in</br>CPU: MTK6580 Quad Core 1.3GHz</br>GPU: Mali-400MP</br>RAM: 1GB </br>ROM: 8GB</br>Battery: 450mAh Built-in</br>System: Android 5.1</br>RAM+ROM: 1GB + 8GB </br>Bluetooth: V4.0</br>SIM type: Nano Card</br>Functions: GPS/WiFi/G-Sensor</br></br><b>Network:</b></br>GSM: 850/900/1800/1900MHz </br>WCDMA: 850/2100MHz </br>Compatibility: Compatible with Android and iOS. Please note that some functions cannot support iOS for now</br></br>External Memory: Not Supported </br>Certificate: CE</br>Wireless Connectivity: 3G,Bluetooth 4.0,GPS,GSM</br>WIFI: 802.11b/g/n wireless internet </br>Network type: GSM+WCDMA </br>Frequency: GSM 850/900/1800/1900MHz WCDMA 850/2100MHz</br></br><b>Main Features:</b></br>Screen type: IPS </br>Screen resolution: 320 x 320</br>Camera type: No camera</br>SIM Card Slot: Single SIM(Micro SIM slot)</br>Picture format: JPEG,PNG </br>Music format: MP3 </br>E-book format: TXT </br>Games: Android APK</br>Languages: Chinese (Traditional), English (UK)</br>Additional Features: 2G,3G,Bluetooth,E-book,MP3,People,Wi-Fi</br></br><b>Package Contents:</b></br>Smart watch:1</br>USB Cable: 1</br>English Manual : 1</br></br>Product size: 2.09 x 1.46 x 0.44 inches </br>Package size: 4.33 x 3.54 x 3.07 inches </br>Package weight: 0.197 kg</br></br><b>Product Notes:</b></br>1. Note: This smart phone is designed only to work with the current Android/Windows OS installed in it. Any alterations such as upgrades or flashing a newer version will void the warranty.</br><br/>http://www.amazon.com/gp/product/B01IHCQ3LW