➤ Screen Size : 1.99 inch HD Screen ➤ Display : 400 * 452 pixels ➤ Bluetooth Version: Bluetooth 4.2 ➤ Operating System: Android 9.0 ➤ Running memory (RAM): 4GB ➤ Body memory (ROM): 64GB ➤ Watch Size : 51.07*43.57*14.8MM ➤ Watch Weight (With silicone strap) : 60g ➤ Battery :1000mAh High Density Lithium-ion Battery ➤ Camera : Side Camera 5.0MP ,Front camera 2.0MP ➤ SIM Card Quantity : Single SIM Card (1 * Nano cards) ➤ Charging Method : Magnetic charging ➤ Support WIFI direct connection,Support WIFI Hot spot,Support GPSNetwork➤ GSM(2G): B2/3/5/8 ➤ WCDMA(3G): B1/2/4/5/8 ➤ LTE(4G):B1/B2/B3/4/B5/B7/B8/B12/B17/B20/B38/B39/B40/B41Features ➤ (1)1.99 inch HD Full Touch Screen,The picture is clear. ➤ (2)Support APP download. Watch built-in 64GB memory,You can download more apps through Google play Store ➤ (3)The smart watch supports one 4G SIM card. Directly can make calls/receive calls/send messages, etc. ➤ (4)Heart rate monitoring,Blood oxygen monitoring,Sleep monitoring ➤ (5)Custom screen page,And dozens of page options,There is always one for you ➤ (6)Smartwatches come with GPS positioning. You can turn on map navigation on your watch ➤ (7)Supports 9 Sports Modes,Outdoor Run/Indoor Run/Outdoor Walk/Ride Bike/Play Basketball/Play Football/PlayPingpong/Play Badminton/Rope skipping,You can also download the APP “Strava”. Enjoy the fun of sports anytime, anywhere. Make you the “King of the Mountain” ➤ (8)Life Waterproof,the whole watch has been reinforced by water resistant rubber, each watch pass strict waterproof test, so that you don’t need to take off watch when you washing hands or face. ➤ (9)After downloading the APP “GaoFit” on your smartphone. A smart watch can be connected. The watch syncs your smartphone’s incoming call and message notifications.Heart rate monitoring, blood oxygen monitoring, sleep monitoring, step counting and other data will be synchronized to the smartphone APP “GaoFit” ➤ (10)Other Functions:Bluetooth ,Weather Forecast,Alarm clock, Calendar, Recorder, Hotspot sharing. Phonebook, Passometer,etc. Package (Standard) 1* Smart Watch1* Charging Cable1* Instruction Manual1* ScrewdriverLanguage Important Notice The electronic product is not resistant to seawater, steam, etc. and cannot be worn in a hot shower. It is only protected against clear and cold water. (Water resistance is not permanently effective and will weaken with wear and tear during use. Frequent immersion of electronics is not recommended.) Please note.