1. Introduction
Thank you for choosing the otinsile M97 Clip-On Open Ear Bluetooth 5.3 Earbuds. These earbuds are designed to provide a comfortable and secure audio experience while maintaining awareness of your surroundings. Featuring advanced Bluetooth 5.3 connectivity, IPX5 water resistance, and a long-lasting battery, the M97 earbuds are suitable for various activities, from daily commutes to workouts.
This manual provides detailed instructions on how to set up, operate, and maintain your earbuds to ensure optimal performance and longevity.
2. Package Contents
- otinsile M97 Clip-On Open Ear Earbuds (Left and Right)
- Charging Case with Digital Display
- USB Charging Cable
- User Manual
3. Product Overview

Image 3.1: otinsile M97 Clip-On Earbuds and Charging Case. The earbuds are shown in their open charging case, which features a digital display indicating battery percentage.
3.1 Design and Comfort
The M97 earbuds feature an open-ear, clip-on design that rests comfortably on the outer ear without entering the ear canal. This design allows for environmental awareness while listening to audio.

Image 3.2: Comparison of Ear Clip Design with In-ear, Ear Hook, and Headset designs. The ear clip design is highlighted for comfort and secure fit, avoiding ear pain and interference with glasses.
Each earbud weighs approximately 5 grams, providing a featherlight feel. The ergonomic C-shaped clip ensures a secure fit for various ear sizes, preventing slippage during physical activities.

Image 3.3: Illustration of the Four-Point Secure Fit Design. This ergonomic non-slip structure ensures stability and comfort during movement.
3.2 Audio Quality
Equipped with 12mm dynamic drivers, the M97 earbuds deliver clear audio with enhanced bass and crisp highs. Advanced Directional Sound Technology minimizes sound leakage, providing a private listening experience while allowing you to remain aware of your surroundings.

Image 3.4: Diagram illustrating the 12mm dynamic drivers, highlighting their role in delivering rich bass and clear highs.
3.3 Connectivity and Battery
The earbuds utilize Bluetooth 5.3 for instant pairing and a stable connection up to 33 feet (10 meters). The charging case provides a total battery life of up to 50 hours, with each earbud offering approximately 6 hours of continuous playtime on a single charge. A 10-minute quick charge provides an additional 2 hours of listening time.

Image 3.5: Visual representation of the 50-hour total battery life with the charging case, 6 hours single-charge endurance, and 10-minute quick charge for 2 hours of use.
3.4 Durability
With an IPX5 waterproof rating, the M97 earbuds are protected against sweat and rain, making them suitable for workouts and outdoor activities.
4. Setup and Pairing
4.1 Charging the Earbuds and Case
- Place the earbuds into the charging case. Ensure they are correctly seated.
- Connect the USB charging cable to the charging port on the case and to a compatible USB power source.
- The digital display on the charging case will show the current battery percentage. Allow the case and earbuds to fully charge before first use. A full charge for the case takes approximately 2 hours.
4.2 Bluetooth Pairing
- Open the charging case. The earbuds will automatically enter pairing mode, indicated by a flashing LED light on the earbuds.
- On your device (smartphone, tablet, computer), enable Bluetooth.
- Search for "M97" in the list of available Bluetooth devices.
- Select "M97" to connect. Once connected, a voice prompt will confirm successful pairing, and the LED light on the earbuds will turn off or flash slowly.
- For subsequent use, the earbuds will automatically connect to the last paired device when removed from the case.
5. Operating Instructions
5.1 Wearing the Earbuds
Gently clip each earbud onto your outer ear, ensuring the audio output is directed towards your ear canal. Adjust the C-shaped hook for a snug and comfortable fit. The open-ear design allows you to hear ambient sounds for safety and awareness.

Image 5.1: A person wearing the M97 open-ear earbuds, demonstrating how the design allows for music enjoyment while maintaining environmental awareness.
5.2 Touch Controls
The M97 earbuds feature intelligent touch controls on each earbud. The larger touch area facilitates easier control.
| Action | Function |
|---|---|
| Double Tap (L/R) | Play/Pause Music |
| Triple Tap (L) | Previous Song |
| Triple Tap (R) | Next Song |
| Double Tap (L/R) during call | Answer/End Call |
| Single Tap (L) | Volume Down |
| Single Tap (R) | Volume Up |
| Hold 2s (L/R) | Activate Voice Assistant |
| Hold 2s (L/R) during call | Reject Call |
5.3 Call Functionality
The M97 earbuds include C-Shape Wind Defense technology, which reduces wind noise by 25% for clearer calls. Advanced voice enhancement ensures your voice is clear in various conditions.

Image 5.2: Diagram illustrating the C-Shape Wind Defense technology, showing how dual-flow channels reduce wind noise for improved call clarity.
6. Maintenance and Care
- Cleaning: Regularly clean the earbuds and charging case with a soft, dry, lint-free cloth. Avoid using harsh chemicals or abrasive materials.
- Storage: When not in use, store the earbuds in their charging case to protect them from dust and damage.
- Water Exposure: While IPX5 rated for water resistance, avoid submerging the earbuds in water. Dry them thoroughly if they get wet from sweat or rain.
- Temperature: Do not expose the earbuds or charging case to extreme temperatures (hot or cold) or direct sunlight for extended periods.
7. Troubleshooting
| Problem | Solution |
|---|---|
| Earbuds not pairing | Ensure earbuds are charged. Turn off and on your device's Bluetooth. Forget "M97" from your device's Bluetooth list and re-pair. |
| No sound from one earbud | Place both earbuds back in the case, close it, then open it again. Check device's audio balance settings. |
| Low volume | Increase volume on both your device and using the earbud touch controls. |
| Charging case not charging | Check the USB cable and power adapter. Ensure connections are secure. |
| Earbuds falling out | Adjust the C-shaped clip for a more secure fit around your outer ear. |
8. Specifications
| Feature | Detail |
|---|---|
| Model Name | M97 |
| Brand | otinsile |
| Connectivity Technology | Wireless (Bluetooth) |
| Bluetooth Version | 5.3 |
| Bluetooth Range | 10 Meters (33 feet) |
| Ear Placement | Open Ear |
| Audio Driver Size | 12 Millimeters |
| Battery Life (Earbuds) | 6 Hours (continuous playtime) |
| Battery Life (with Case) | 50 Hours (total) |
| Quick Charge | 10-minute charge for 2 hours playtime |
| Charging Time (Case) | 2 Hours |
| Water Resistance Level | IPX5 |
| Control Type | Touch Control |
| Item Weight (per earbud) | 4 Grams |
| Noise Control Features | Wind Noise Reduction |
9. Warranty and Support
For warranty information and customer support, please refer to the contact details provided on the product packaging or the official otinsile website. Keep your purchase receipt as proof of purchase.