Products Package Includes: 1 x Smart watch Phone, 1 x Screen Protector, 1 x USB Cable, 1 x Screwdriver, 1 x English Manual. The KW88 Android 5.1 Quad-Core 4GB 3G Bluetooth Smart Watch SIM GPS Camera WiFi is like a wearable cellphone that rests elegantly around your wrist, making your life much more convenient. It is equipped with MT6580 quad-core processor to ensure its quick response and smooth experience. 512MB RAM and 4GB ROM provides enough memory space for those of your entertainment. The KW88 runs on Android 5.1 OS, providing thousands of apps that you can tailor to your taste. With 3G WCDMA and WiFi, the world is on your hand. Built-in GPS provides convenient and accurate navigation. Heart rate sensor monitors your heart rate variation 24 hours a day. Bring it home and explore a lot more! MT6580 quad-core 1.3GHz CPU, ROM 4GB RAM 512MB. 1.39 inch UHD AMOLED round dial with OGS capacitive touch screen. 3G supported, nano SIM card 3G WCDMA 850/2100 or customized 2G GSM 850/900/1800/1900 quad bands. Bluetooth 4.0 WiFi. Run on Android 5.1 OS, providing thousands of apps that you can tailor to your taste. Built-in 2.0MP camera with 3D noise reduction. Weather live provides you updated weather information anywhere, anytime. Google Now pre-installed, user can also download and install other voice assistants from Google Play Store. Built-in GPS provides convenient and accurate navigation. Heart rate sensor monitors your heart rate variation 24 hours a day. Built-in pedometer keeps track of your daily activities and calculates the calorie burned. Notification reminder, vibrate to notify you of incoming calls, SMS and other app push notifications. Two-way anti lost function alerts you when the cellphone and the watch is certain distance away from each other. Support PTA wireless upgrade. A variety of UI themes and clock styles are available for selection. Sapphire crystal glass mirror surface, with 3D raised and fine-brushed numerals. Aluminum watchcase with anodic oxidation processing, CNC manufacturing. Soft silicone band for maximum comfort.