Smartwatch for Grandpa
Smartwatch for grandpa is designed to enhance safety, health monitoring, and ease of communication for elderly users. Shenzhen JiAi Medical Technology Co., Ltd. provides advanced senior smartwatches with GPS/4G tracking, fall detection, and one-touch SOS emergency alerts to ensure quick response in emergencies. Our devices also feature heart rate and blood pressure monitoring, helping families keep track of senior health in real time. With a large display, simple interface, and long battery life, they are easy for seniors to operate. Backed by strong R&D capabilities and full OEM/ODM services, we deliver customizable solutions for global partners targeting premium markets.
- Model: L20PRO
- Real-Time GPS Tracking
- One-Touch SOS Button
A smartwatch for grandpa is an essential device for ensuring daily safety, health monitoring, and easy communication. Shenzhen JiAi Medical Technology Co., Ltd. specializes in developing advanced smart wearables tailored for elderly users, helping B2B partners provide dependable and scalable elderly care solutions in global markets.
Our smartwatch for grandpa is designed with simplicity and practicality in mind. It features a large, easy-to-read display and an intuitive user interface, making it suitable for seniors with limited technical experience. The straightforward design ensures quick access to key functions such as emergency alerts and health data.
Equipped with comprehensive health monitoring capabilities, the device supports heart rate tracking, blood pressure monitoring, SpO₂ measurement, and sleep analysis. These features enable continuous health tracking, making the smartwatch ideal for remote patient monitoring and long-term elderly care programs.
Safety is a top priority. The smartwatch includes intelligent fall detection and a one-touch SOS emergency button, ensuring immediate alerts to caregivers or family members in critical situations. With built-in GPS tracking and 4G connectivity, it provides real-time location monitoring and geo-fencing alerts, helping reduce risks such as wandering.
Two-way calling allows grandpa to stay connected with family members without needing a smartphone. Long battery life and durable waterproof construction ensure reliable performance in everyday use.
As a professional OEM/ODM manufacturer, JiAi offers full customization services—from hardware design and firmware development to UI optimization and branding. Backed by a 30+ engineer R&D team and ISO-certified manufacturing, we ensure high-quality production, stable supply, and flexible solutions tailored to B2B clients.
JiAi’s smartwatch for grandpa delivers a perfect balance of safety, health tracking, and ease of use—helping businesses provide smarter, safer, and more connected elderly care solutions.
The smartwatch uses GPS, Wi-Fi, and cellular positioning to provide accurate, real-time location tracking wherever the wearer goes. Family members can check live location through the companion app and review movement history to ensure safety at all times. Safe zones can also be set, and the system sends instant alerts if the user leaves the designated area. Whether the wearer is taking a walk, shopping, or traveling, this feature keeps loved ones informed and reassured. It offers an extra layer of protection for seniors living independently and gives families peace of mind no matter the distance.
The smartwatch is built with simplicity and comfort at its core, making it ideal for seniors and anyone who prefers straightforward operation. Large icons, clear text, and an intuitive menu layout help users navigate features like calling, health tracking, and SOS alerts with ease. The responsive touchscreen ensures smooth interaction, while the streamlined interface avoids unnecessary complexity. Every detail—from the layout to the button placement—is designed to reduce confusion and enhance usability. Whether at home or outdoors, the easy-to-use design allows the wearer to enjoy smart technology with confidence, independence, and comfort.
The smartwatch provides around-the-clock protection by combining continuous health tracking with real-time location monitoring. It keeps an eye on vital signs such as heart rate, blood pressure, blood oxygen, temperature, and daily activity levels, giving users and caregivers valuable insights into overall wellness. At the same time, the built-in GPS allows family members to view the wearer’s live location and movement history anytime through the app. Whether at home, outdoors, or traveling, this all-in-one monitoring system ensures safety, awareness, and peace of mind — 24 hours a day, 7 days a week.
Real-Time GPS Tracking: Monitor your loved one’s location in real-time, ensuring they are safe and secure wherever they go.
One-Touch SOS Button: In emergencies, your loved one can press the SOS button to send an alert with their location to pre-set contacts.
Long Battery Life: Extended battery life ensures the tracker bracelet is ready for use throughout the day without frequent recharging.
Water-Resistant: Suitable for daily wear, even in rainy weather or while washing hands.
Comfortable and Easy to Wear: Designed for seniors, the bracelet is lightweight and comfortable for all-day wear.
Simple and Senior-Friendly Interface: Easy-to-use design with large, clear buttons that make it simple for seniors to operate.
Geofencing Alerts (Optional): Set safe zones and receive alerts when the wearer leaves a designated area.
| Category | Details |
| Model Name | L20 EU |
| Bluetooth Version | BLE 5.0 |
| Waterproof | IP67 |
| Operating System | RTOS Thread X |
| LCD Display | 1.22-inch TFT, 240x240 resolution |
| CPU | Unisoc W307 Cortex A53 1GHz + GR5515 |
| GPS Chip | W307 |
| SIM Card | Nano, compatible with e-SIM |
| Battery Capacity | 900 mAh Lithium Polymer |
| Battery Life | 3-4 days (frequent use), up to 10 days (power save) |
| Charging Port | Magnetic 2-pin base |
| Dimensions | 57 x 34 x 14 mm |
| Available Colors | Black, White (for orders of 3K+ units) |
Frequency Bands
| Region | GSM | 3G WCDMA | LTE |
| EU Version | 850/900/1800/1900 MHz | Band 1, Band 8 | B1, B3, B5, B7, B8, B9, B19, B20, B28, B40, B41 |
| US Version | 850/900/1800/1900 MHz | Band 1, Band 8 | B2, B4, B5, B7, B12, B17, B66 |
Health Sensors
| Sensor | Details |
| Heart Rate Sensor | PAH8112ES or TBD, supports PPG raw data |
| SPO2 Sensor | Yes |
| Blood Pressure Sensor | Optional |
| Barometer | Optional |
| 3D Accelerator | BOSCH BMA456 or TBD |
Charging Base Specifications
| Feature | Details |
| Charging Base | |
| Dimension | Φ 44mm x H42mm |
| Weight | 16g |
| Input | 5V 2A |
| Max Output | 1A |
| Color | Black |
| Power Bank | |
| Battery Capacity | 900 mAh Lithium Polymer |
| Charge Duration | Full charge in 4-5 hours |
| Usage Duration | 3-4 days (frequent), 9-10 days (power save) |
| Beacon | |
| BLE Version | BLE 5.0 |
| Advertising Interval | 1000ms |
| Transmission Range | 50 meters in open area |
| Device Name | JABX4 |
Package Contents
| Item | Quantity |
| L20PRO GPS Smartwatch | 1 |
| User Manual (English) | 1 |
| Screwdriver | 1 |
| Pin | 1 |
| EU/UK Adaptor | 1 |
| Gift Box | 1 |
