⌚【Multifunctional Kids Smart Watch】-- This smartwatch is suitable for children aged 4-12, which has many practical functions like GPS Tracker, Phone Call, Video/Voice Chat, SOS, Wifi, Pedometer, Alarm, Stopwatch, Camera, Sound Record, Video Record, Video Player, Class Mode, Adjustable Screen Brightness, etc. This watch comes with its app store, and you can download more watch apps by connecting the 4G kids smart watch to your WiFi or data connection network. ⌚【4G Sim Card】There comes a Speedtalk card with this smart watch for kids. If you don't want to use it, you can choose your own card but we suggest T-mobile 4G sim card. Phone plan according to your use needed. [Kindly remind that Verizon isn't compatible.] ⌚【Real-time GPS Tracker】-- wonlex smartwatch for kids combines the data of GPS, WIFI, and LBS, to get the most accurate positioning. Parents can set the GPS reading interval in the working mode of the mobile APP, which enables parents to know where the kids are anytime. The accuracy depends on the carrier's backend database. Please use the GPS positioning function in a place with a good signal outdoors. ⌚ 【1.4" Large Screen & 1000mAh Battery】-- The kids' watch for Android and iOS phones is equipped with a 1.4-inch OGS color touch screen, and the display effect is vivid and delicate. It can be fully charged in two hours. Normally, a 1000mAh large battery capacity provides 72 hours of standby time, to avoid the trouble of forgetting to charge and always keep the connection. ⌚【Video/Voice Chat & SOS Alarm】-- As for parents, you can make a video call or voice chat with your child anytime or anywhere, and you can send pictures, which makes the communication more interesting. As for children, if they feel some danger in any situation, they can long press the Power Button for 3 seconds, this GPS watch will automatically call and send information to the preset 3 phone numbers, which provides as a safe environment as possible for children. ⌚【Product Warranty】-- Customer response within 24 hours, one-year warranty, lifetime maintenance. This watch is IP67 waterproof, do NOT wear the watch to swim or take a shower, and it is best to take down the watch to wash hands or do other work and water contact. The package includes Smart Watch*1, Speedtalk SIM Card*1, Charging Cable*2, Tempered Glass Screen Protector*1, Alcohol Pad*1, and User Manual*1. This watch is IP67 waterproof, do NOT wear the watch to swim or take a shower, and it is best to take down the watch to wash hands or do other work and water contact. The package includes Smart Watch*1, Silicone Strap*1, SIM Card*1, Charging Cable*2, and User Manual*1. If you have any problems, please feel free to contact us via your Amazon account.