4G LTE Smart Watch 4+64GB The product is shipped based on the color or size of the main image of the product page. Features: Unlocked 4G LTE smartwatch with Nano SIM card slot enables you to make/answer calls around the world. Equipped with Android 10.0 operating system, delivers fast and smooth operation and safer personal information. 4+64GB large internal storage capacity gives more memory space, keeping more precious moments in your watch. 1.6-inch round touchscreen boasts HD resolution of 400*400 and up to 75% screen-to-body ratio, bringing you excellent visual experience. Outfitted with two high resolution cameras - 5MP front camera and 8MP side camera. Try the function of remote shutter to take a pic with more people. Long battery life for long standby. 900 mAh battery capacity for both of watch and portable power bank for hassle-free trip or dinning out. GPS is supported for accurate map and navigation. It is also help to track your activities in the workout or pedometer modes. Various kinds of pretty watch face are there. You can also set your favourite pic as the watch face, or download more creative one in the Dial Market. Daily waterpoof rating make the watch able to withstand sweats or splashes. Parameters: Screen Size: 1.6 inches Screen Type: Round touchscreen Resolution: 400*400 Front Camera: 5MP Side Camera: 8MP OS: Android 10.0 Compatibility: compatible with Android 6.0 or later, iOS 11.0 or later BT: yes Wi-Fi: Yes GPS: Yes Memory: DDR3 4GB, EMMC: 64GB SIM Card: Nano SIM Supported Band: GSM: 850 / 900 / 1800 / 1900 WCDMA: B1/B2/B5 TD-SCDMA: B34/B39 LTE-FDD: B1/B2/B3/B5/B7/B8/B12/B17/B20 LTE-TDD: B38/B39/B40/B41(100MHz) OTA: Yes App: WIIWEAR (compatible with Android 6.0 or later, iOS 11.0 or later) Functions: Heart rate monitor, Pedometer, Local weather(with SIM), WLAN, Hotspot, Notification reminder, Remote shutter, Music control, Find my devices, Customized watch face, Dial market, Answer/call, Message, Alarm clock, Calendar, Browser, etc. Specifications: Color: Black Material: Leather, PU, Metal Options: Black / Brown / Black with power bank / Brown with power bank (optional) Watchcase Thickness: 17mm Watchcase Diameter: 50mm Watchband Width: 22mm Watchband Length: 267mm / 10.51in (adjustable in 178~235mm) Battery Capacity: 900 mAh(watch), 900 mAh(power bank) Standby Time: 48 hrs(watch), 40 hrs(power bank) Play Time: 6 hrs(watch), 5 hrs(power bank) Call Time: 3 hrs(watch), 2.5 hrs(power bank) Water-resistant Level: Daily waterproof Power Bank Size: 4.95*1.88cm / 1.94*0.74in Item Weight: 69g / 2.43oz (watch); 34g / 1.19oz(power bank) Package Size: 12.5*8.5*7cm / 4.92*3.34*2.75in Package Weight: 235g / 8.28oz Packing List: 1 * Watch 1 * Charging cable 1 * Mini Screwdriver 2 * Screw 1 * User Manual