Product Name: Personal Bracelet Wrist GPS Tracker Watch for Kid R16s Model NO.: R16S Certification: RoHS, ISO2000, FCC, CE Color: Green Simcard: Micro Simcard Camera: 0.3m Pixels Screen: 1.3''tft GSM Frequency: 2g: B2/B3/B5/B8 3G: B1/B2/B4/B5/B8 4G: B1/B2/B3/B4 GPS Positioning Accuracy: 5-25m Standby: >70h Ringtone Format: MP3, MIDI, AMR, AAC, Wav G-Sensor: Bosch Bma223 Certificate: FCC ; Ce ; RoHS Trademark: Myrope Transport Package: Gift Box with Standard Accessories Like Power Cabl Specification: 58mm*42mm*15mm Origin: China HS Code: 8526911000 Product Description Personal Bracelet Wrist GPS Tracker Watch for Kid R16S1. Product OverviewR16 is GPS tracker watch for kids. This device is 4G tracker watch, it supports touch screen, camera, video call and can send the voice message, two way call and for emergency, the user can press the SOS button to trigger the SOS alarm. It uploads kids location every minute and the parents can login APP to check their kids location whenever and wherever.2. Functions1) Real-time tracking at interval of 60s;2) LBS and Wifi for accurate indoor positioning;3) Low-power consumption, battery life lasts for more than 3 days;4) Preset 16 dialing numbers;5) Making call and receiving call;6) Voice monitoring;7) Wechat voice message;8) Wechat interaction;9) Find your lost watch;10) Voice memo;11) History playback;12) GEO-Fence, SOS alarm;13) Set alarm clock;14) Counting steps;15) Camera;3 .SpecificationsItems ParametersGSM ChipsetMTK 6537Band2G: B2/B3/B5/B83G: B1/B2/B4/B5/B84G: B1/B2/B3/B4/B5/B7/B8/B12/B13/B17/B20/B38/B39/B40/B41LBS Positioning Accuracy100-500mGSM AntennaBuilt-inGPS ChipsetU-blox 7020GPS Sensitivity-163 dBmGPS Positioning Accuracy5-25mGPS AntennaBuilt-inWifi ChipsetMT 5931Wifi Positioning Accuracy5-25mWifi AntennaBuilt-inG-SensorBOSCH BMA223PedometerBMI160(3 axis accelerometer +3 axis gyroscope)Screen1.3" TFTCamera0.3M pixelsSpeed Accuracy0.1m/sTime AccuracySynchronize with GPSGPS DataWGS-84Hot Start<1sWarm Start<38sMax Altitude18000mMax Speed515m/sGravity Acceleration<4gOperating Temperature-20ºC-65ºCHumidity5%-95%Size58mm×42mm×15mmSimcardMicro simcardBatteryRechargeable lithium polymer battery 680mAhPower Supply3.7V-5V, 0.2A-0.5AStandby>70hRingtone64 polyphonicRingtone formatMP3, MIDI, AMR, AAC, WAVBuilt-in Ringtone numbersMIDI 54. Web Platform &APP5. Certifications