4G Smart Watch DH20 Kids GPS WIFI Video Call SOS Child Smartwatch Camera Video Call Monitor Tracker Location Phone Smartwatch

Waterproof grade IP67. The maximum charging voltage of the battery is 5.0 V. Capacity 700mAH. Standby time 3-5 days. Talk time 8-10 hours. Voltage 3.8V. Material polymer battery. Display type IPS. Dislay size is 1.83” Pixel 240*284. CTP capacitive touch screen capacitive (COB). System operating system RTOS. Solution ASR3603S. GPS/BDS supports GPS/BDS. Sound ringtone yes. Hands-free Yes. Horn yes High Sound quality Horn. Microphone yes anti-jamming receiver. Press the button Yes. Key lamp high brightness backlight screen. Port headset interface NO. Charging interface magnetic charging interface. SIM card slot Nano SIM card. IO Port 2pin. Memory RAM 128MB+ROM 128MB. Camera yes 30W. Anti-de-NO. Video call support. Other antennas built-in FPC GSM antennas. Communication network WCDMA B1 B2 B5 B8. LTE B1 B2 B3 B5 B7 B8 B20. GSM 850 900 1800 1900. Positioning GPS/BDS support. WiFi support. AGPS Class12. LBS support. The information phone book YES sets 10 family numbers according to the main binder, which can realize fast dialing and menu lookup dialing. Microchat function voice two-way group microchat function. MMS NO. EMS NO. E-mail NO. App (IOS+ Android) two-way call + APP video call support two-way call, support video call, and block other harassing calls, support APP video call. Micro chat APP side and wristwatch side realize the function of group micro chat. Remote monitoring supports callback mode remote monitoring (the ambient sound of the other party can be heard clearly and remotely through a high anti-noise microphone). Multiple electronic fences can be set up. Baby settings can set baby avatars, birthdays, nicknames, etc. Message reminder can remind you to enter and leave the electronic fence status, battery low or full status, anti-release alarm push. Multiple treasures can be added to one app. The history track query can query the precious history track within 1 month. The history track playing function can play the track automatically. WIFI Positioning + LBS Base Station Auxiliary Positioning + GPS Satellite Positioning wifi Positioning accuracy is 3-50 meters, LBS accuracy can reach 100 meters, and GPS accuracy can reach 50 meters. Battery charge monitoring can know the battery power of baby watch at any time. The watch is automatically synchronized with the network time after the watch is automatically bound by the network.