JAKCOM R4 NFC Smart Ring – Programmable, No Charging Required
Add a tap-based shortcut to your routine with the JAKCOM R4 NFC smart ring. Its passive NFC design requires no charging and can work with a compatible NFC-enabled Android phone and a suitable programming app.
For example, you can configure a supported NFC tag action to open a web link or share contact information when a compatible device reads the ring.
Product details
- Model: JAKCOM R4
- Built-in NFC technology
- Passive operation with no charging required
- Programmable functions depend on the phone, app, and NFC tag support
- Available size labels: 8, 9, 10, 11, and 12
Compatibility and setup
Check your phone's NFC reading and writing support and the requirements of your chosen app before ordering. Enable NFC on a compatible device and follow the app and manufacturer's setup instructions. Not every NFC app or phone supports the same actions.
Door access, phone unlocking, and smart-home control are not guaranteed. These functions require compatible systems and any necessary permissions or additional setup. Contactless payment support and iPhone compatibility have not been confirmed. This listing does not promise fitness or health tracking.
Choose your size
Confirm the manufacturer's ring diameter or circumference measurements before choosing a size. The listed numbers are option labels; a verified size chart is not provided here.
Exact materials and water-resistance specifications have not been confirmed. Follow the manufacturer's care instructions.
Add a tap-based shortcut to your routine with the JAKCOM R4 NFC smart ring. Its passive NFC design requires no charging and can work with a compatible NFC-enabled Android phone and a suitable programming app.
For example, you can configure a supported NFC tag action to open a web link or share contact information when a compatible device reads the ring.
Product details
- Model: JAKCOM R4
- Built-in NFC technology
- Passive operation with no charging required
- Programmable functions depend on the phone, app, and NFC tag support
- Available size labels: 8, 9, 10, 11, and 12
Compatibility and setup
Check your phone's NFC reading and writing support and the requirements of your chosen app before ordering. Enable NFC on a compatible device and follow the app and manufacturer's setup instructions. Not every NFC app or phone supports the same actions.
Door access, phone unlocking, and smart-home control are not guaranteed. These functions require compatible systems and any necessary permissions or additional setup. Contactless payment support and iPhone compatibility have not been confirmed. This listing does not promise fitness or health tracking.
Choose your size
Confirm the manufacturer's ring diameter or circumference measurements before choosing a size. The listed numbers are option labels; a verified size chart is not provided here.
Exact materials and water-resistance specifications have not been confirmed. Follow the manufacturer's care instructions.
| Specification | Details |
|---|---|
| Material | Durable lightweight alloy |
| Weight | 5 grams |
| Sizes Available | 8, 9, 10, 11, 12 |
| NFC Technology | Yes, built-in NFC chip |
| Water Resistance | Not waterproof |
| Charging | No charging required |
| Compatible With | Details |
|---|---|
| Smartphones | Any Android NFC-enabled smartphones |
| Apps | Works with any NFC-compatible apps |
| Smart Devices | Compatible with NFC-enabled smart home devices |
- Built-in NFC chip for seamless tap-to-connect functionality.
- Lightweight and durable design, perfect for everyday wear.
- No charging required; completely passive NFC technology.
- Automate tasks, share contact info, and control smart devices with a simple tap.
- Available in sizes 8 through 12 for a comfortable fit.
- Modern design suitable for any occasion.
- Streamline your daily activities by automating tasks.
- Effortlessly share contact information without needing your phone.
- Enjoy a hassle-free wearable with no need for charging.
- Participate in the smart home revolution with device control at your fingertips.
- Wear a stylish accessory that integrates technology into your lifestyle.
- Find the perfect fit with a range of available sizes.
- Ensure your smartphone has NFC capability enabled.
- Download an NFC-compatible app from the app store.
- Follow the app instructions to program your Jakcom R4 Smart Ring.
- Tap your ring to the NFC-enabled area of your smartphone to complete setup.
- Test the functionality by tapping the ring on other NFC-enabled devices.
| Ring Size | US Size |
|---|---|
| 8 | Average |
| 9 | Average |
| 10 | Average |
| 11 | Average |
| 12 | Average |
Add a tap-based shortcut to your routine with the JAKCOM R4 NFC smart ring. Its passive NFC design requires no charging and can work with a compatible NFC-enabled Android phone and a suitable programming app.
For example, you can configure a supported NFC tag action to open a web link or share contact information when a compatible device reads the ring.
Product details
- Model: JAKCOM R4
- Built-in NFC technology
- Passive operation with no charging required
- Programmable functions depend on the phone, app, and NFC tag support
- Available size labels: 8, 9, 10, 11, and 12
Compatibility and setup
Check your phone's NFC reading and writing support and the requirements of your chosen app before ordering. Enable NFC on a compatible device and follow the app and manufacturer's setup instructions. Not every NFC app or phone supports the same actions.
Door access, phone unlocking, and smart-home control are not guaranteed. These functions require compatible systems and any necessary permissions or additional setup. Contactless payment support and iPhone compatibility have not been confirmed. This listing does not promise fitness or health tracking.
Choose your size
Confirm the manufacturer's ring diameter or circumference measurements before choosing a size. The listed numbers are option labels; a verified size chart is not provided here.
Exact materials and water-resistance specifications have not been confirmed. Follow the manufacturer's care instructions.
| Specification | Details |
|---|---|
| Material | Durable lightweight alloy |
| Weight | 5 grams |
| Sizes Available | 8, 9, 10, 11, 12 |
| NFC Technology | Yes, built-in NFC chip |
| Water Resistance | Not waterproof |
| Charging | No charging required |
| Compatible With | Details |
|---|---|
| Smartphones | Any Android NFC-enabled smartphones |
| Apps | Works with any NFC-compatible apps |
| Smart Devices | Compatible with NFC-enabled smart home devices |
- Built-in NFC chip for seamless tap-to-connect functionality.
- Lightweight and durable design, perfect for everyday wear.
- No charging required; completely passive NFC technology.
- Automate tasks, share contact info, and control smart devices with a simple tap.
- Available in sizes 8 through 12 for a comfortable fit.
- Modern design suitable for any occasion.
- Streamline your daily activities by automating tasks.
- Effortlessly share contact information without needing your phone.
- Enjoy a hassle-free wearable with no need for charging.
- Participate in the smart home revolution with device control at your fingertips.
- Wear a stylish accessory that integrates technology into your lifestyle.
- Find the perfect fit with a range of available sizes.
- Ensure your smartphone has NFC capability enabled.
- Download an NFC-compatible app from the app store.
- Follow the app instructions to program your Jakcom R4 Smart Ring.
- Tap your ring to the NFC-enabled area of your smartphone to complete setup.
- Test the functionality by tapping the ring on other NFC-enabled devices.
| Ring Size | US Size |
|---|---|
| 8 | Average |
| 9 | Average |
| 10 | Average |
| 11 | Average |
| 12 | Average |