New Kids GPS Smart Watch 4G Wifi Children SmartWatch DF33Z Kids Smart Watch Specification and Feature:Itemkids smart watchModel No.DF33ZScreen Size1.4 inch true-color  OLED screen,240*240 pixelsCase MaterialPlasticStrap MaterialSiliconeColorPurple,Blue,PinkNetwork SystemFDD: Band 123578 TDD: Band38394041（100M）；WCDMA: Band 1258  GSM: Band 2358Battery680mahBaseband9820ECamera30W  Waterproof GradeIP67CertificationCE, ROHS, 3CAPPsApps for Android and iOSSIM CardSupport Nano card,but not includedMemory2Gb+4GbSupport LanguaeChinese (traditional, simplified) languages in 52 countries, such as Japan, Indonesia, Malay, English, Korean, Denmark, German, Estonian, etc.Main FuctionLBS+GPS+WiFi location, SOS, G-sensor, Intercom, Pedometer, Sleeping monitor, History tracking, Electronic fence, SMS, Alarm clock, Find watch, Reward of love icon