Removal Alarm 4G Kids GPS Watch D31U

Product Description


Overview

The 4G Kids GPS Watch D31U is a cutting-edge smart wearable designed for modern parents seeking reliable child safety and connectivity. Powered by Android 8.1 OS, this watch combines precise positioning, two-way communication, and intelligent parental controls to keep kids safe while fostering independence. With IP67 Waterproof protection, GPS+WIFI+LBS positioning, and a unique Take Off Alarm, it’s the ultimate tool for real-time monitoring without compromising on kid-friendly features like video calls, music players, and educational games. Whether for school, playdates, or family trips, the D31U ensures parents stay connected and kids stay protected.

Core Features

Safety & Positioning Excellence

GPS+WIFI+LBS Triple Positioning: Achieves accuracy of less than 5 meters, leveraging Google Maps for real-time location tracking and history route playback.

Geo-Fence Safety Zone: Set up 3 non-overlapping safe areas; receive instant alerts when your child steps outside the boundary.

Take Off Alarm Alert: Get push notifications via the app if the watch is removed, preventing unauthorized disconnection.

SOS Emergency Call: A 5-second long press on the SOS button triggers automatic calls to pre-set contacts, ensuring quick help in crises.

Seamless Communication & Connectivity

Two-Way Video & Voice Call: 4G LTE network support enables clear global video calls and voice chats, keeping parents and kids connected anytime.

Social App Compatibility: Access popular apps like WhatsApp, TikTok, YouTube, and Facebook, letting kids interact safely with friends.

Manual WiFi Connection: Connect to home or school WiFi for stable connectivity and reduced data usage.

Entertainment & Daily Utility

Multimedia Functions: Built-in music player, video recorder/player, and story listener to keep kids engaged during downtime.

Health & Fitness Tracking: Pedometer, calorie counter, and sleep monitoring help parents track kids’ daily activity and rest patterns.

Educational & Practical Tools: Math games, stopwatch, alarm clock, and multi-language support promote learning and time management.

Parental Control Tools

Class Mode (Do Not Disturb): Disable non-essential functions during school hours to avoid distractions.

Reject Unknown Calls: Block calls from unlisted numbers, protecting kids from unwanted contacts.

Remote Management: Remotely shut down, restart, or monitor the watch via the Beesure GPS App, with lifetime free access to AWS Cloud server.

Technical Specifications

Parameter

Details

Chipset

SL8521E

Operating System

Android 8.1

Memory (RAM+ROM)

1GB + 8GB

Battery Capacity

700mAh Class A Rechargeable Polymer Battery (2-3 days working time)

Screen

1.4-inch IPS Touch Screen, 240×240 Pixels, 2.5D Fillet Edge

Camera

0.3 Megapixels (Supports Photo Shooting & Remote Snapshot)

Waterproof Rating

IP67 (No Swimming)

Positioning Method

GPS + WIFI + LBS

SIM Card Requirement

Nano SIM Card

Dimensions

50×43×17mm

Weight

54g

Available Colors

Blue, Pink, Black

Network Support

4G/3G/2G/LTE (FDD: B1/B2/B3/B5/B7/B8/B20/B28A; WCDMB1/B2/B5/B8; GSM: B2/B3/B5/B8)

Charging Cable

1-meter 4Pin Magnet Charging Cable (Short-Circuit Protection IC)

How It Works

Insert a 4G Nano SIM Card: Open the SIM card tray and insert a valid Nano SIM to enable network connectivity.

Download the Beesure GPS App: Install the app from Google Play or the App Store on your smartphone.

Register & Bind the Watch: Create an account with your email, then scan the QR code on the watch’s back cover to pair the device.

Start Monitoring: Use the app to track real-time location, manage contacts, set safety zones, and control all watch features remotely.

Trust & Credibility

Certified Quality: Complies with CE and RoHS standards, ensuring safe materials (PC+ABS+Silicon) for kids.

Free Premium Accessories: Get a free EU/UL charger, dock charging station, and tempered glass screen protector with every order.

Lifetime Free Services: Enjoy unlimited access to the Beesure GPS App and AWS Cloud server, no hidden fees.

Bulk Order Perks: Free standard 5V 1A chargers or dock stations for bulk purchases—ideal for schools or distributors.

FAQ

What networks does the D31U support?

It works with 4G/3G/2G/LTE networks globally, ensuring wide coverage for travel or daily use.

Can my child swim with the watch?

No. The IP67 waterproof rating protects against splashes, rain, and hand washing, but not swimming or submersion in deep water.

How long does the battery last?

The 700mAh battery provides 2-3 days of working time, with 8 hours of continuous calls and 50 hours of standby.

How do I load music to the watch?

Connect the watch to a laptop via the 4Pin charging cable, select "Media Device," and save music (AAC/AMR/WMA/MP3/MIDI) to the "Music" folder.

How does the Take Off Alarm work?

Enable the "Remove Device Switch" in the app—you’ll receive an instant push notification if the watch is taken off your child’s wrist.

Call to Action

Give your child safety, connectivity, and fun with the 4G Kids GPS Watch D31U! Order now to claim free accessories, enjoy lifetime app services, and secure bulk discounts. Perfect for parents who refuse to compromise on protection—click "Add to Cart" and let the D31U be your child’s smart safety companion!


Chipset SL8521E Material PC+ABS+Silicon
Operation
system
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 button,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

•Two way voice call/2 way communication Video call
•SOS/Power button Whatsapp, Facebook, TikTok, Line, Youtube,Instagram,Telegram,Wechat available
Take off alarm alert Music Player, listen to story, Video recorder/Player
•Voice chat/Intercom chatting •Phone book/Contacts

•Take photo/Remote snapshot

  Batch sending the photos

•Geo-fence/Safety Zone(Three non overlapped area can be set up)
Real time Google Map location & History Route •Alarm Clock   •Voice remote monitoring /listen in
SMS message •Class mode(No disturb mode in class)
•Support 4G/3G/2G/LTE network •Support GPS+Wifi+LBS positioning
Waterproof IP67 •SMS Alerts (Removal alert/Low battery /SOS alerts)
•Time display •Switch dial clock
•Reject unknown calls •Multi languages
Night power saving mode •Make friends
•Volume/brightness adjustable •Remote shutdown & Remote Restart
•Pedometer,Calories & Sleep monitoring •Math game/Stop Watch
Beesure GPS app and AWS Cloud server platform lifetime free •With 1 meter length 4pin magnet charging cable with avoid short circuit IC




Note:
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.

FAQ

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: https://www.4p-touch.com


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