Introduction
This manual provides detailed instructions for the Renimer i50 Mini Bluetooth 5.3 Wireless Earbuds. Please read this manual carefully before using the product to ensure proper operation and to maximize its lifespan. Keep this manual for future reference.
Package Contents
- Wireless Bluetooth Earbuds x 2
- Charging Case x 1
- USB-C Cable x 1
- User's Manual (English, Spanish, etc.) x 1

Image: The Renimer i50 wireless earbuds in their charging case, displaying the LED battery indicator.
Setup
1. Initial Charging
Before first use, fully charge the earbuds and the charging case. Connect the provided USB-C cable to the charging port on the case and to a power source. The LED display on the charging case will show the charging progress. A full charge for the case typically takes 1.5-2 hours.
2. Powering On/Off
- Power On: Open the charging case. The earbuds will automatically power on.
- Power Off: Place the earbuds back into the charging case and close the lid. They will automatically power off and begin charging.
3. Bluetooth Pairing
- Ensure the earbuds are charged and powered on (open the charging case).
- On your device (smartphone, tablet, etc.), enable Bluetooth.
- Search for available Bluetooth devices. You should see "i50" or "Renimer i50" in the list.
- Select "i50" to connect. Once paired, the earbuds will automatically connect to your device when the charging case is opened, provided Bluetooth is enabled on your device.
The Renimer i50 earbuds support Bluetooth 5.3 for stable and fast connections with iOS, Android, and Windows systems.
Operating Instructions
Touch Controls
The earbuds feature high-precision touch controls on the outer surface (marked with the logo). Refer to the table below for common functions:
| Action | Function |
|---|---|
| Single Tap (Left/Right Earbud) | Play/Pause Music, Answer/End Call |
| Double Tap (Right Earbud) | Next Track |
| Double Tap (Left Earbud) | Previous Track |
| Triple Tap (Right Earbud) | Volume Up |
| Triple Tap (Left Earbud) | Volume Down |
| Long Press (2 seconds) | Activate Voice Assistant, Reject Call |
LED Battery Display
The charging case features a smart digital LED display that shows the remaining power percentage (0-100%) for the case, and individual battery indicators for the left and right earbuds.
Single/Twin Mode
The earbuds can be used individually (single mode) or as a pair (twin mode). Simply take one earbud out of the case to use it alone, or both for stereo sound.
Maintenance
To ensure the longevity and optimal performance of your Renimer i50 earbuds, follow these maintenance guidelines:
- Cleaning: Regularly clean the earbuds and charging case with a soft, dry, lint-free cloth. Avoid using abrasive materials or harsh chemicals.
- Water Resistance: The earbuds are IP7 waterproof, meaning they are protected against immersion in water up to 1 meter for up to 30 minutes. However, they are not designed for swimming or prolonged submersion. Ensure the charging port is dry before charging.
- Storage: Store the earbuds in their charging case when not in use to protect them and keep them charged. Avoid extreme temperatures.
- Charging: Use only the provided USB-C cable for charging.
Troubleshooting
If you encounter issues with your Renimer i50 earbuds, please refer to the following common solutions:
| Problem | Solution |
|---|---|
| Earbuds not pairing |
|
| Only one earbud working |
|
| No sound or low volume |
|
| Charging case not charging |
|
Specifications
| Feature | Detail |
|---|---|
| Model Name | i50 |
| Connectivity Technology | Wireless (Bluetooth) |
| Bluetooth Version | 5.3 |
| Bluetooth Range | 15 Meters |
| Audio Driver Size | 14.2 Millimeters |
| Frequency Range | 20Hz - 20,000Hz |
| Impedance | 24 Ohm |
| Control Type | Touch Control |
| Earbud Battery Life | Up to 8 Hours (single charge) |
| Charging Case Battery Life | Up to 48 Hours (with case) |
| Charging Time (Case) | 1.5-2 Hours |
| Charging Port | USB-C |
| Water Resistance Level | IP7 Waterproof |
| Item Weight | 40 Grams (total) |
| Product Dimensions | 1.57 x 0.59 x 1.97 inches |
| Compatible Devices | iOS, Android (9.0+/5.0+), Windows (Bluetooth 4.0+) |
Warranty and Support
Renimer provides a comprehensive warranty and customer support for its products.
- Warranty Period: The product comes with a 365-day warranty service.
- Returns & Refunds: 30-day returns and refunds are available.
- Coverage: This warranty covers missing product parts, product malfunction, and product damage not caused by misuse.

Image: Graphic detailing Renimer's 365-day warranty service, covering missing parts, malfunction, and damage.
For any product quality issues or support inquiries, please contact Renimer customer service through the platform of purchase or visit the official Renimer website for contact details. We aim to provide a 100% satisfactory solution within the warranty period.
