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Factory 4G Waterproof Android WiFi Kids Baby Security GPS Tracker D31

5 0 Reviews
Working features:
•Two way voice call/2 way communication
•Video call
•Manual connect wifi router
•Music Player, listen to story, Video recorder/Player
•SOS/Power button
•Voice remote monitoring /listen in
•Reject unknown calls
•Voice chat/Intercom chatting
•Phone book/Contacts
•Take photo/Remote snapshot
•Waterproof IP67
•Real time Google Map location &History Route
•Alarm Clock
•With motor for vibration mode
•Support 4G/3G/2G network
•Support GPS+Wifi+LBS positioning
•Math game/Stop Watch
•Class mode(No disturb mode in class)
•SMS Alerts(Low battery Alert/SOS alerts)
•Time display
•Switch dial clock
•Multi languages
•Volume/Brightness adjustable
•SMS message
•Night power saving mode
•Face Unclock
•Geo-fence/Safety Zone
•Remote shutdown & Remote Restart
•Pedometer,Calories & Sleep monitoring
•Beesure GPS app and AWS Cloud server platform lifetime free
•With 1 meter length magnet charging cable with avoid short circuit IC
Price: $ 34 / unit
  • D31

  • OEM

  • 8526919090

Factory Supply 4G IP67 Waterproof Android WiFi Kids Baby Security Smart Watch Child Children GPS Tracker with Video Call with motor for vibration mode D31,Support Whatsapp, Facebook

Product parameters

Chipset SL8521E Material PC+ABS+Silicon
Android 8.1 Positioning GPS+LBS+Wifi 
Battery capacity class A rechargeable 700mAh
polymer battery
Memory 1GB+8GB
Network support 4G/3G/2G network Camera 0.3M
Screen 1.4inch IPS screen
240*240 pixel
Waterproof IP67 waterproof
Button Power/SOS button Available Colors Blue,Pink,Black
Sim card Nano sim card GPS position accuracy Less than 5M
Frequency bands 4G FDD: B1 B2 B3 B5 B7 B8 B20 B28A
3G WCDMA: B1 B2 B5 B8
2G GSM: B2 B3 B5 B8

Charging cable

1 meter length 4pin magnet charging cable with avoid short circuit IC

promotion charger dock stationD31

Detail photos

D31 page1

Working features

•Two way voice call/2 way communication Video call 
SOS/Power button Music Player, listen to story, Video recorder/Player
•Voice remote monitoring /listen in •Whatsapp, Facebook, TikTok, Line, Youtube,Instagram
 Telegram,Wechat available
•Voice chat/Intercom chatting •Phone book/Contacts   •Reject unknown calls

•Take photo/Remote snapshot

  Batch sending the photos

Waterproof IP67 
Real time Google Map location &History Route   •Alarm Clock
With motor for vibration mode Support 4G/3G/2G network
Support GPS+Wifi+LBS positioning •Math game/Stop Watch
•Class mode(No disturb mode in class) •SMS Alerts(Low battery Alert/SOS alerts)
•Time display •Switch dial clock
•Multi languages •Volume/Brightness adjustable
SMS message •Night power saving mode
•Face Unclock •Geo-fence/Safety Zone
•Remote shutdown & Remote Restart •Pedometer,Calories & Sleep monitoring
Beesure GPS app and AWS Cloud server platform lifetime free •With 1 meter length 4pin magnet charging cable with avoid short circuit IC

D31 APP Store


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4pin Dock charging station DC-01

D31 page6

D31 music play-1D31 music play-2D31 instructionNote:

Our server for oversea market is AWS server, all data with key encryption. We are ok to create the sub-account ID and password to manage all your devices in our server platform, you can change the password after you login the web-link. Also our server platform and phone app Beesure GPS ( for Android and IOS) are free of charge all the time, no any advertisement nor subscription in the app. Setracker or Setracker2 registered app login account is ok to use on Beesure GPS app directly.

If you have your own server platform and your own APP, we are OK to offer the server protocol for your configuration with your own server and your own APP software.


Can I customize the items with our own logo/Brand? And the customized giftbox, manual ?

Yes, we offer the full OEM & ODM service.
If the order quantity more than 1000pcs , we offer free customized giftbox printing and manual printing .
If the software customized, we may charge the extra software setup charge if necessary.

What's the MOQ and lead time?

For our existing mold items, normally we don't have strict MOQ, samples or trial order is available.
Our sample lead time 2-3days, our production lead time is 10-15days, which also based on the order quantity.

What's your products warranty?

We offer 12 months after shipping the warranty guarantee for all our clients. If any issue after received the samples, please kindly feel free contact us.

Do you offer online technical support?

Yes, our team offer online technical support online anytime, we have social media Skype and Whatsapp, you can add us and contact us if any question.

(Our sales Manager Connie Yan Skype ID: connie4p-touch Whatsapp ID:+8615323410276)

Is your app and server has annual fee? app and server safe?

No, our app and server for free using anytime global, app in Google Play Store and App Store, free download anytime.
Our app software data all with key encryption and all data saved in Amazon cloud server, we have AMS GDPR agreement.

How can I get a sample to check quality? Payment method?

Yes, our company website is ok to purchase the item individually.

For sample charge and pre-paid freight charge door to door, we have western union and PayPal payment.

Shenzhen Yushengchang Technology Company is a reliable GPS manufacturer, we are specialized in different

collections GPS tracker for kids, girls, lady, women safetypets securitysenior healthcarevehicle fleet 

management monitoring and assets security tracker. For more information, please kindly visit our website 

and contact us for test demo: 说明:


Shenzhen Yushengchang Technology
Co., Ltd

 Download APP

Contact us

  +86-755-29755516
  +8615323410276 (Connie Yan)
  +86 18588448985 (Selina Yu)    
  +8613509607927 (Alan Tong)

  +8615323476221 (Carry Zhang)


Copyright © 2023 Shenzhen Yushengchang Technology Co., Ltd. All Rights Reserved