1. Introduction
This manual provides essential information for the safe and effective use of your RuenTech USB Magnetic Smartwatch Charger. Please read these instructions carefully before use and retain them for future reference. This charger is designed to provide a reliable power source for compatible smartwatches.
2. Compatibility
The RuenTech USB Magnetic Smartwatch Charger is compatible with a wide range of smartwatches. To ensure compatibility, verify that the distance between the two charging contact points on your smartwatch is 2.84mm.
Compatible Models Include:
- ENOMIR IDW19, MILOUZ IDW19, Hoowel IDW19, Gydom IDW19, Faweio IDW19, Konitee IDW19, TOOBUR IDW19, TMHAI IDW19, KALINCO IDW19, A-TGTGA IDW19, WNH IDW19 Smart Watches
- Fitpolo IDW13/IDW15, Amzhero IDW13, Faweio IDW13, Konitee IDW13, TOOBUR IDW13, TEMINICE IDW13, VRPEFIT IDW13, WMK IDW13 Smart Watches
- TOOBUR IDW16 Smart Watch
- SKG V7, V7 pro, V7 Cyber, V7-2, R8, V9 Smartwatches
- AEAC ID208Plus, IDW19, ID207, ID208BT Smartwatches
- TOZO S4, S3, S2, S2 Pro, S2 44mm 40mm Smartwatches
- AMAZTIM Rgthuhu 1.71” C20 and KOSPET TANK M1 1.72”
- ID205L, GT01, IW2, ID206, IW1, EW1, GT01, C16, C17 series watches

Note: Some smartwatches may require a charger with opposite polarity. If this charger does not work for your device, please refer to ASIN: B0CSD9YMR1 for an alternative.
3. Setup and Connection
To begin charging your smartwatch, connect the USB-A end of the charging cable to a compatible power source. This can include:
- A computer's USB port
- A laptop's USB port
- A USB wall adapter (e.g., for smartphones)
- A car charger with a USB port
- A portable power bank

4. Operating Instructions (Charging Your Smartwatch)
- Connect the Charger: Plug the USB-A end of the cable into a suitable power source as described in Section 3.
- Attach to Smartwatch: Align the magnetic charging pins of the charger with the charging contacts on the back of your smartwatch. The magnetic connection will secure the charger in place.
- Verify Charging: Once connected, your smartwatch display should indicate that it is charging. If no charging indicator appears, re-adjust the charger's position or try a different USB power source.
- Charging Time: A full charge typically takes 2-3 hours with a 1A output current. Actual charging time may vary based on the smartwatch model and its current battery level.

5. Safety Features
Your RuenTech Smartwatch Charger is designed with built-in safety mechanisms to protect your device:
- Voltage Regulator (PTC): An integrated Positive Temperature Coefficient (PTC) component prevents your smartwatch from being damaged by overcurrent, extending its lifespan.
- Durable Construction: The charger head is made from ABS+PC material, and the cable features flexible PVC for enhanced durability and stable conduction.


6. Specifications
| Feature | Specification |
|---|---|
| Brand | RuenTech |
| Model Name | ID205L charger |
| Connector Type | USB Type A |
| Cable Type | USB |
| Compatible Devices | Smart Watch IDW19, IDW13, IDW15, IDW16, ID208BT, ID205L series and others listed in Compatibility section |
| Special Feature | Lightweight |
| Recommended Uses | Smartwatch charging |
| Color | Black |
| Connector Gender | Male-to-Male |
| Number of Pins | 4 |
| Maximum Voltage | 5 Volts (DC) |
| Item Weight | 1.06 ounces |
| Cable Length | Approximately 3.3 feet (100cm) |
7. Troubleshooting
If you encounter issues while charging your smartwatch, consider the following troubleshooting steps:
- No Charging Indication:
- Ensure the USB-A connector is fully inserted into the power source.
- Verify that the power source is active and functioning correctly. Try a different USB port or wall adapter.
- Check the alignment of the magnetic pins with your smartwatch's charging contacts. Re-position the charger to ensure a secure connection.
- Confirm that your smartwatch model is compatible with the 2.84mm pin distance charger (refer to Section 2).
- Slow Charging:
- Ensure your power source provides at least 1A output current for optimal charging speed.
- Avoid charging through unpowered USB hubs or older computer USB 2.0 ports, which may provide lower current.
- Charger Not Sticking Magnetically:
- Ensure there is no debris or obstruction between the charger pins and the smartwatch contacts.
- Confirm the smartwatch is placed correctly on the charger.
8. Maintenance
To ensure the longevity and optimal performance of your RuenTech Smartwatch Charger:
- Keep the charger clean and free from dust and debris. Use a soft, dry cloth for cleaning.
- Avoid exposing the charger to extreme temperatures or moisture.
- Do not bend or twist the cable excessively, as this can damage internal wires.
- Store the charger in a cool, dry place when not in use. Its lightweight and portable design makes it convenient for travel or storage in a gym bag or office drawer.

9. Product Video
10. Warranty and Support
For any quality problems or incorrect sizing, RuenTech offers an unconditional refund. If you have any questions, concerns, or require assistance with your RuenTech Smartwatch Charger, please contact the manufacturer or your retailer for support. Ensure to provide your product model number (ID205L charger) and details of your issue for efficient service.