1. Product Overview
The INSONIXN SK26 Sleep Earbuds are designed for comfort and discretion, ideal for use during sleep, work, or leisure. These mini, lightweight earbuds offer a secure fit and clear audio experience.

Figure 1: The compact design of the SK26 earbuds, highlighting their small size for discreet wear.

Figure 2: The SK26 earbuds are designed for comfortable wear, even when sleeping on your side, without causing discomfort.
2. Package Contents
- INSONIXN SK26 Sleep Earbuds (Left and Right)
- Charging Case
- USB-C Charging Cable
- User Manual
3. Setup
3.1 Charging the Earbuds and Case
Before first use, fully charge the earbuds and charging case. The charging case features a digital display to indicate the battery level.
- Place the earbuds into the charging case. Ensure they are correctly seated; they will magnetically snap into place.
- Connect the USB-C charging cable to the charging port on the case and to a power source.
- The digital display on the case will show the charging status. A full charge typically takes about one hour.
3.2 Bluetooth Pairing
The earbuds utilize Bluetooth 5.3 for quick and stable connections.
- Open the charging case. The earbuds will automatically enter pairing mode.
- On your device (smartphone, tablet, etc.), enable Bluetooth and search for available devices.
- Select "SK26" from the list of devices to connect.
- Once connected, you will hear an audio prompt, and the earbuds are ready for use.
4. Operating Instructions
4.1 Wearing the Earbuds
Gently insert the earbuds into your ears. Adjust for a snug and comfortable fit. The compact design ensures they remain comfortable even when lying on your side.
4.2 Touch Controls
The SK26 earbuds feature intuitive touch controls on each earbud.

Figure 3: Overview of touch control functions for the SK26 earbuds.
- Power On/Off: Press and hold for 3 seconds.
- Volume Control: Press and hold (L) for 1.5 seconds for "+" (increase volume); Press and hold (R) for 1.5 seconds for "-" (decrease volume).
- Voice Assistant: Quadruple-tap the touch area.
- Play/Pause: Double-click.
- Reject Incoming Call: Press and hold for 1.5 seconds.
- Game Mode: Touch four times the earphone (R).
5. Maintenance
5.1 Cleaning
Regular cleaning helps maintain optimal performance and hygiene.
- Use a soft, dry, lint-free cloth to wipe the earbuds and charging case.
- Do not use harsh chemicals, cleaning solvents, or strong detergents.
- Avoid getting moisture in any openings.
5.2 Storage
When not in use, store the earbuds in their charging case to protect them and ensure they remain charged.
6. Troubleshooting
If you encounter issues with your SK26 Sleep Earbuds, refer to the following common solutions:
- Earbuds not pairing: Ensure Bluetooth is enabled on your device and the earbuds are in pairing mode. Try turning Bluetooth off and on again on your device.
- No sound: Check the volume level on both your device and the earbuds. Ensure the earbuds are properly connected.
- Charging issues: Verify the USB-C cable is securely connected to both the case and the power source. Check the charging port for any debris.
- Discomfort: Ensure the earbuds are correctly positioned in your ear. Their small size is designed to minimize pressure.
7. Specifications
| Feature | Detail |
|---|---|
| Brand | INSONIXN |
| Model Number | INSONIXN-TWS-SK26 |
| Color | Black |
| Ear Placement | In Ear |
| Form Factor | In Ear |
| Impedance | 32 Ohms |
| Connectivity Technology | Wireless |
| Bluetooth Version | 5.3 |
| Control Type | Touch Control |
| Noise Control | Physical & Acoustic Noise Cancellation |
| Frequency Response | 20 Hz - 20,000 Hz |
| Audio Driver Type | Dynamic Driver |
| Additional Features | Lightweight, Microphone Included, Noise Isolation, Universal Phone Control, Volume Control |
| Enclosure Material | Plastic, Rubber |
| Specific Uses | Music, Sport, Travel, Sleep |
| Compatible Devices | iPhone, iPod Touch (and other Bluetooth-enabled devices) |
| Water Resistance Level | Waterproof |
| Earbud Battery Life | Up to 5 hours (listening songs) |
| Total Battery Life (with case) | Up to 24 hours |
| Battery Charge Time | 1 hour (full charge) |
8. Support
If you encounter any problems while using your INSONIXN SK26 Sleep Earbuds, please contact our customer support. We are committed to resolving any issues within 24 hours.
For support, please refer to the contact information provided with your product packaging or visit the official INSONIXN website.