1. Introduction
The MOMAX UWB Item Finder PinCard Ultra BR19 is a state-of-the-art, ultra-slim tracking device designed to help you locate your valuable items with precision. Utilizing Apple's advanced Find My network and Ultra-Wideband (UWB) technology, this rechargeable card offers accurate location tracking, IP68 waterproof protection, and NFC support. It's perfect for keeping track of items such as wallets, keys, luggage, and more.
Video: MOMAX UWB PinCard Ultra Product Demonstration
2. Package Contents
Please check the box for the following items:
- MOMAX PinCard Ultra (BR19)
- User Manual (PDF available online)

Image: MOMAX PinCard Ultra BR19 Retail Packaging

Image: PinCard Ultra and its inner packaging
3. Specifications
| Feature | Description |
|---|---|
| Brand Name | MOMAX |
| Model | BR19 |
| Dimensions | 85 x 54 x 1.7 mm |
| Battery Capacity | 3.7V=155mAh |
| Charging Input | 0.25W (DC 5V-50mA) |
| Wireless Version | 5.1 |
| Waterproof Rating | IP68 |
| Volume | 80dB |
| Compatibility | Apple devices: iOS 14.5+ (iPhone, iPod touch), iPadOS 14.5+ (iPad), macOS 12.5+ (iMac, MacBook) |
| Precision Tracking | 0.1 meters (with UWB, iPhone 11 and later, excluding SE models) |
| NFC Support | Yes |
| Battery Life | Up to 5 months standby on a single charge |
| Charging | Wireless Charging |

Image: Product Parameters and UWB Usage Steps

Image: Comparison of UWB Upgraded Version vs. Regular Fit
4. Setup
4.1 Initial Charging
Before first use, ensure your PinCard Ultra is sufficiently charged using a wireless charger. The LED indicator will show a green light when charging is in progress and when fully charged.
4.2 Connecting to Apple Find My
The MOMAX PinCard Ultra BR19 integrates seamlessly with Apple's Find My network. Follow these steps to connect your device:
- Ensure your Apple device (iPhone, iPad, or Mac) is running iOS 14.5+, iPadOS 14.5+, or macOS 12.5+ respectively.
- Press and hold the power button on the PinCard Ultra until you hear a 'beep' sound. This indicates it's ready for pairing.
- Open the Find My app on your Apple device.
- Navigate to the Items tab.
- Tap the + icon (Add Item) and then select Other Supported Items.
- Your Apple device will begin Searching for the item.
- Once MOMAX BR19 appears, tap Connect or Next.
- Follow the on-screen prompts to name your item and agree to the terms.
- The PinCard Ultra is now successfully added to your Find My network.
Note:
- Precise location functionality (UWB) is applicable to iPhone 11 and subsequent models, excluding iPhone SE (2nd and 3rd generations) and iPhone 16e.
- The PinCard Ultra does not require Wi-Fi or Bluetooth connection to your phone for long-range tracking; it leverages the global Apple Find My network.

Image: PinCard Ultra features and step-by-step connection guide
5. Operating Instructions
5.1 Locating Your Item
Once connected, you can locate your PinCard Ultra using the Apple Find My app:
- Precise Tracking (UWB): For supported iPhone models, the Find My app will provide precise distance and direction guidance to your item, accurate to 0.1 meters.
- Play Sound: If your item is nearby, you can tap 'Play Sound' in the Find My app to make the PinCard Ultra emit an 80dB sound, helping you pinpoint its exact location.
- Map Location: View your item's location on a map within the Find My app. The location is updated by nearby Apple devices on the Find My network.

Image: PinCard Ultra working with Apple Find My

Image: Precise tracking with UWB technology
5.2 Lost Mode and NFC Recognition
If your item is lost, you can enable 'Lost Mode' in the Find My app. If someone finds your PinCard Ultra, they can tap it with an NFC-enabled smartphone (Apple or Android) to retrieve your contact information, which you can set up in the Find My app.

Image: NFC recognition for Lost Mode
5.3 Lost Reminder
The PinCard Ultra can alert you if you leave an item behind. If the device disconnects from your phone (typically in an open area, around 20 meters), you may receive a pop-up notification on your phone, reminding you of the forgotten item.

Image: Lost Reminder notification on phone
5.4 Sharing Location
You can share the location of your PinCard Ultra with family and friends through the Find My app, allowing multiple people to track the same item.

Image: Real-time location sharing feature

Image: Multiple Apple devices tracking the PinCard Ultra
6. Maintenance
6.1 Charging
The PinCard Ultra supports wireless charging. Place it on a compatible wireless charging pad. A single charge can provide up to 5 months of standby time. The battery is designed for over 300 charging cycles.

Image: Wireless charging and long battery life
6.2 Water and Dust Resistance
The device has an IP68 rating, meaning it is resistant to dust and can withstand immersion in water up to 1.5 meters for up to 30 minutes. However, it is not recommended for prolonged underwater use.
6.3 Battery Information
The battery in this product is non-removable and non-replaceable. Please do not attempt to open or replace the battery yourself.
7. Troubleshooting
7.1 Device Not Found in Find My App
- Ensure the PinCard Ultra is charged.
- Verify that your Apple device's operating system is up to date (iOS 14.5+, iPadOS 14.5+, or macOS 12.5+).
- Make sure the PinCard Ultra is powered on (long press the button until it beeps).
- Try resetting the PinCard Ultra by long-pressing the button until you hear two distinct 'drop' sounds. Then attempt to re-pair it with the Find My app.
7.2 Inaccurate Location or No Signal
- The PinCard Ultra relies on the Apple Find My network. Its location is updated by nearby Apple devices. In areas with fewer Apple devices, location updates might be less frequent or precise.
- For precise UWB tracking, ensure you are using a compatible iPhone model (iPhone 11 or later, excluding SE models).
7.3 LED Indicator Behavior
- Green Light: Charging or fully charged.
- Blue Light: Emitting sound (when 'Play Sound' is activated).
- Red Light: Low battery. Please charge the device.
8. User Tips
- Regularly check the battery level of your PinCard Ultra in the Find My app to ensure continuous tracking capability.
- Utilize the 'Lost Mode' feature and provide your contact information. This significantly increases the chances of your item being returned if found by a good Samaritan.
- Attach the PinCard Ultra to items that are frequently misplaced or valuable, such as your wallet, keys, backpack, or luggage. Its slim design makes it ideal for wallets.
- Take advantage of the precise tracking feature in crowded areas or when searching for an item indoors.

Image: Examples of where to use the ultra-thin PinCard Ultra
9. Warranty and Support
For detailed warranty information and customer support, please refer to the official MOMAX website or the user manual PDF. You can access the user manual PDF here.
If you have further questions or require assistance, please contact customer service for additional details.