Smartwatches aren't just for adults. Make everyday life safer and give your child their own smartwatch that you sync with your phone With real-time GSM tracking, you always know where your child is and you can send voice messages to each other. You can set security zones and be notified if the child should move outside them, as well as put up to 3 SOS phone numbers in the watch that the child can quickly call. The smartwatch also has touch screen and built-in flashlight - GSM tracking in real time - Send voice messages both ways (Push-to-talk) - Define safety zones and be notified if the child moves outside them - Enter up to 3 SOS phone numbers that the child can quickly call - Record voice messages that are playing at specified times Please note that the watch requires a SIM card in itself for all functions to work To insert a SIM card, you need to remove the rear panel and remove the battery. Specifications: Color: Blue Material: Plastic, silicone Size, dial: 1.54" Dimensions, bracelet: 23 x 2 cm Frequency: GSM 850 / 900 / 1800 / 1900 MHz Color display: Yes Battery capacity: 400 mAh Package Includes: 1x Smartwatch 1x Charger 1x User's Manual (English) OBS Unfortunately, this product is not compatible with SIM cards from mobile operators 3 and Raspberry as the product uses the GSM network (2G). 3 and Raspberry do not support this.