Introduction
Welcome to the Renimer i50 Wireless Bluetooth 5.3 Earbuds instruction manual. This guide provides detailed information on how to set up, operate, maintain, and troubleshoot your new earbuds. Please read this manual carefully to ensure optimal performance and longevity of your device.
Product Overview

Image: Renimer i50 Wireless Earbuds in their charging case, displaying battery levels on the LED screen.
The Renimer i50 earbuds feature advanced Bluetooth 5.3 technology, 14.2mm dynamic drivers for enhanced audio, and 4 ENC microphones for clear calls. Designed for comfort and durability, they are IP7 waterproof and offer up to 48 hours of total playback with the charging case.
Setup
1. Unboxing
Video: An unboxing of the Renimer i50 earbuds, showing the contents of the package including the earbuds, charging case, and USB-C cable.
Upon opening the package, you will find the Renimer i50 earbuds, the charging case, a USB-C charging cable, and this instruction manual. Please ensure all components are present.
2. Charging the Earbuds and Case

Image: The Renimer i50 earbuds and charging case, highlighting the 48-hour total playback time and 1.5-hour fast charging via USB-C.
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 case will show the charging progress from 0% to 100%. A full charge for the case takes approximately 1.5 hours. The earbuds provide up to 8 hours of playback on a single charge, and the case offers 5 additional charges, totaling 48 hours of use.
3. Pairing with Your Device

Image: A visual representation of the Renimer i50 earbuds automatically pairing with a smartphone, showing the 'i50' device name in the Bluetooth settings.
- Ensure your device's Bluetooth is turned on.
- Open the charging case. The earbuds will automatically enter pairing mode.
- On your device, search for Bluetooth devices and select "i50" from the list.
- Once connected, you will hear a confirmation tone, and the earbuds are ready for use.
The earbuds feature Bluetooth 5.3 technology for a stable connection up to 15 meters and will automatically reconnect to the last paired device when taken out of the case.
Operating Instructions
1. Sound Quality

Image: An exploded diagram illustrating the internal components of the 14.2mm dynamic driver, emphasizing its role in delivering Hi-Fi stereo sound and powerful bass.
The Renimer i50 earbuds are equipped with 14.2mm dynamic drivers, delivering stable HiFi stereo sound with powerful bass and crisp treble. This ensures an immersive audio experience for music, podcasts, and other content.
2. Call Quality

Image: A woman using the Renimer i50 earbuds for a call, with a graphic illustrating the noise reduction system that separates noise from voice for clear communication.
Featuring 4 ENC (Environmental Noise Cancellation) microphones, the i50 earbuds ensure high-resolution voice recognition and clear call quality, even in noisy environments. This technology effectively reduces background noise during phone conversations.
3. Touch Controls

Image: A detailed diagram illustrating the touch control functions on the Renimer i50 earbuds, including play/pause, skip tracks, volume adjustment, call management, and voice assistant activation.
The earbuds feature intuitive touch controls for easy management of your audio and calls:
- Double Click (R/L): Play/Pause music.
- Triple Tap (R/L): Activate voice assistant.
- Long Tap 2s (R): Next track.
- Long Tap 2s (L): Previous track.
- Once Click (R/L): Answer/End call.
- Long Tap 2s (R/L): Reject call.
- Once Click (R): Volume up.
- Once Click (L): Volume down.
4. Comfort and Fit
Video: A user demonstrating the comfortable and secure fit of the Renimer i50 earbuds during various movements, highlighting their stability.
The i50 earbuds are ergonomically designed to fit securely and comfortably in your ears. Each earbud weighs only 3g, ensuring a lightweight feel that prevents discomfort during extended wear. The compact charging case is also designed for portability, easily fitting into your pocket.
5. Water Resistance

Image: A graphic illustrating the lightweight and mini design of the Renimer i50 earbuds, along with an IP7 waterproof rating, showing them being used during exercise.
With an IP7 waterproof rating, the Renimer i50 earbuds are protected against sweat, water splashes, and raindrops, making them suitable for workouts and outdoor activities.
Maintenance
- Cleaning: Regularly clean the earbuds and charging case with a soft, dry cloth. Avoid using harsh chemicals or abrasive materials.
- Storage: Store the earbuds in their charging case when not in use to protect them and keep them charged.
- Avoid Extreme Conditions: Do not expose the earbuds to extreme temperatures, humidity, or direct sunlight for prolonged periods.
Troubleshooting
| Problem | Solution |
|---|---|
| Earbuds not pairing | Ensure Bluetooth is enabled on your device. Place earbuds back in the case, close, then reopen to re-enter pairing mode. Forget "i50" from your device's Bluetooth list and try pairing again. |
| Only one earbud working | Ensure both earbuds are charged. Place both earbuds back in the case, close, then reopen. If the issue persists, try resetting the earbuds (refer to specific reset instructions if available in a separate quick start guide). |
| Poor sound quality | Check the connection distance (max 15m). Ensure earbuds are clean and properly seated in your ears. Try adjusting the volume on both your device and the earbuds. |
| Charging case not charging | Ensure the USB-C cable is securely connected to both the case and the power source. Try a different USB-C cable or power adapter. |
Specifications
| Feature | Detail |
|---|---|
| Model Name | i50 |
| Brand | Renimer |
| Connectivity Technology | Wireless (Bluetooth) |
| Bluetooth Version | 5.3 |
| Bluetooth Range | 15 Meters |
| Audio Driver Size | 14.2 Millimeters |
| Battery Life (Earbuds) | Up to 8 hours (single charge) |
| Total Playback Time (with case) | 48 Hours |
| Charging Time | 1.5 Hours (case) |
| Charging Port | USB-C |
| Microphones | 4 ENC Mics |
| Water Resistance Level | IP7 Waterproof |
| Control Type | Touch Control |
| Compatible Devices | iOS, Android, Bluetooth-enabled devices |
| Item Weight | 3.52 ounces |
| Product Dimensions | 1.38 x 0.59 x 1.57 inches |
Warranty and Support


Renimer products come with a comprehensive warranty to ensure your satisfaction. We offer a 2-year warranty and 365 days of warranty service. If you encounter any issues such as missing product parts, product malfunction, damaged products, or other concerns, please contact our customer support. We are committed to providing a 100% satisfactory solution within the warranty period.
For further assistance, please refer to the contact information provided with your purchase or visit the official Renimer support website.




