•4G LTE voice calling: 4G network supports stable and high speed connection,HD voice call •Precise positioning: Multiple position tracker,easy and fast find it via our app •HD Video Call: Supports video call between phone and device,easily get kid's moment via the safe tracker app •Voice chat in real time: Start your voice chat with friends or family members. Close connection beyond limits •HD Front Camera: Front wide-angle camera for selfie,share your highlights with family members anytime & anywhere •700mAh super battery: Internal new-generation Li-polymer battery with low power consuming battery management chip Specifications: Operating system Android 8.1 Software feature chip platform System data type 32 bit SMS Receive SMS Main chip model 8521/ Dial Can be dialed freely,APP can control on and off Main frequency 1.4GHz Address book Save the address book through the APP and display it on the watch Architecture Quad-core ARM CortexTM A53 MP processor Wechat You can send short voice messages to parents and display information in square characters Number of cores Dual-core Video call After binding the watch,you can make video calls with your parents' mobile phones radio frequency band GSM/WCDMA/FDD GSM: B2/3/5/8 Camera HD photo taking WCDMA: B1/2/5/8 Early education Curriculum Crazy Speed Learning Reading Pictures and Reading FDD:B1 B2 B3 B4 B5 B7 B8 B12(17) B20 B28A (Or B1 B3 B5 B7 B8 B38 B39 B40 B41) Photo album Show photos saved by the watch Set up Settings for each function of the watch (power off can be done through the settings) Data rate 2G speed: GPRS QR code Display the watch registration code and APP download QR code 3G speed: WCDMA Alarm clock Three sets of alarm clocks can be set through the APP 4G speed: CAT4 Stopwatch stopwatch call method VOLTE support call records Display the call history of the watch video call support Watch face list Multiple sets of stunning analog dials GSM call support magic camera Settable pattern Memory Memory type (ROM\RAM) NOR music Music can be downloaded and played Memory capacity (RAM+ROM) 1G+8GB Count steps Watch pedometer,turned off by default LBS position LBS base station positioning support WIFI Can connect to the Internet via WIFI Base station positioning accuracy 100-1000M Making friends You can make 4 friends,and you can make video calls with friends GPS positioning Chip model Main chip internal integration Weather Shows the watch's current location weather GPS signal L1,1575.42MHz C/A code Number of GPS channels 22 channels APP function GPS chip reception sensitivity Tracking: -165dBm,Capture: -148dBm phone book Set the phone number through the APP and save it into the address book of the watch. GPS positioning accuracy 5-15 meters Disabled in class Three time periods can be set to disable classes GPS antenna LDS Find equipment After finding the device,the watch will ring. AGPS support video call You can make video calls with parents' mobile phones or friends' watches AGPS fast positioning time Cold start 45 seconds Friend business card You can make friends with your device. You can make friends with two watches at the same location. WIFI position WiFi support Love reward The number of love rewards can be set WiFi chip model built-in Reject unknown calls Strange calls can be set on the watch WiFi standard 802.11b\802.11g\802.11n SOS number Three groups of SOS numbers can be set WiFi hotspot not support Device alarm clock Alarm function of watch through APP device WiFi data transfer function not support SMS notification Communication APP device SOS safe area low battery reminder Display Fitting method OGS frame sticker Operating mode You can set the positioning time interval Display 1.69 inches 240*240 Remote shutdown You can set the watch to shut down through the APP Screen type LCD Reset device You can restore the watch to factory settings through the APP Screen manufacturing process IPS Switch settings You can set the open and locked status of the watch dial size 1.69 inche