1. Product Overview
The SHUKE SK32 Mini Invisible Headphones are designed for comfort and high-definition audio, featuring Bluetooth 5.3 for stable connections and active noise cancellation. Their compact and lightweight design makes them ideal for extended wear, including during sleep.






2. Setup and Pairing
Initial Pairing
- Ensure the headset switch is in the ON position.
- Take the earphones out of the charging compartment. They will automatically power on, and the red and blue lights will flash alternately, indicating they are in pairing mode.
- On your device (phone, tablet, etc.), go to Bluetooth settings.
- Search for new devices. The earphones will appear as "SK".
- Click on "SK" to connect. A successful connection will be confirmed by a voice prompt and the indicator lights.

Automatic Reconnection
After the first successful connection and pairing, the earphones will automatically connect to your device the next time you use them, provided Bluetooth is enabled on your device and the earphones are powered on.

3. Operating Instructions
Basic Functions
- Power On: Long press the function key for 3 seconds.
- Shutdown: Long press the function key for 6 seconds.
- Pause/Play: Double-click the function key.
Call Management
- Answer/End Call: Click the function key.
- Reject Incoming Call: Hold down the multifunction key for 1.5 seconds.
Music Control
- Previous Song: Triple-click the function key (random earbud).
- Next Song: Triple-click the function key (random earbud).
Volume Control
- Volume +: Long press the function key for 1.5 seconds (random earbud) to increase volume.
- Volume -: Long press the function key for 1.5 seconds (random earbud) to decrease volume.
Special Modes & Features
- Game Mode: Four-click the function key (random earbud) to switch between game mode and music mode.
- Voice Assistant (Siri): Four-click the function key (random earbud) to activate Siri.
- Factory Reset: Five-click the function key (clear pairing record) when not connected to a phone.



4. Charging and Battery
Charging State Indication
- The charging case display shows the battery percentage. If it shows "0.00", it indicates low power and requires charging.
- When charging the charging case, the display will show the specific power percentage, reaching 100% when fully charged.
- When the charging case charges the earphones, the earphone lights will glow red, and the charging case's blue light will flash.
- A "Beep" prompt indicates low earphone battery.

Battery Life

The earphones provide approximately 5-6 hours of playback time (at 60% volume) and 4-5 hours of talk time. The charging case can provide up to 3 full charges for the earphones, extending total usage significantly.
5. Maintenance
- Cleaning: Regularly clean the charging points of the earphones with a clean cotton cloth to prevent charging or power-on issues due to long-term dirt accumulation.
- Water Resistance: The earphones are sweatproof, but not designed for swimming or submersion in water. If water enters the product, allow it to dry completely before use.
- Storage: Do not expose the product to strong sunlight or overheating environments (e.g., heaters). Avoid storing in high-temperature, strong light, or strong magnetic field environments.
6. Troubleshooting
- No Power/Charging Issues: Ensure the charging points are clean. If the charging case shows "0.00", recharge the case.
- Connection Problems: Perform a factory reset (five-click function key when not connected to a phone) to clear pairing records and re-attempt pairing.
- Sound Leakage: Sound leakage is generally not serious unless the volume is at maximum. For ear health, avoid using maximum volume for extended periods.
- General Malfunctions: Do not attempt to disassemble the product yourself. Improper use or disassembly can cause damage or safety hazards.
7. Specifications
| Feature | Specification |
|---|---|
| Model | SK32 |
| Brand | SHUKE |
| Material | Plastic |
| Dimensions (W x D x H) | 70mm x 80mm x 30mm |
| Weight | 62g |
| Earphone Battery Capacity | 30mAh |
| Charging Case Battery Capacity | 300mAh |
| Playback Time | ~5-6 hours (at 60% volume) |
| Talk Time | ~4-5 hours (at 60% volume) |
| Standby Battery Life | Up to 480 hours |
| Earphone Charging Time | ~1 hour (30 minutes from OCR) |
| Charging Case Charging Time | ~1.5 hours (1 hour from OCR) |
| Bluetooth Version | V5.4 |
| Wireless Range | Up to 10 meters / 33 feet |
| Frequency Response Range | 20 - 20000Hz |
| Impedance | 32Ω |
| Sensitivity | 125dB |
| Max Output | 2mW |
| Driver Diameter | 13mm |
| Headphone Pads Material | Silicone |
| Magnet Type | Neodymium |
| Total Harmonic Distortion | 1% |
| Sound Isolating | Yes |
| Voice Assistant Built-in | Yes |
| With Microphone | Yes |
| Waterproof Rating | Sweatproof (not for swimming) |
| Connectors | Type-C |
| Codecs | AAC, SBC |
| Operating Temperature | 0°C ~ 45°C |
| Storage Temperature | -10°C ~ 50°C |
| Certifications | CE, FCC, RoHS |
| Package Contents | 2 x Bluetooth Earphones, 1 x Charging Case, 1 x Charging Cable |


8. User Tips
- Comfortable Fit: The headphones are designed to fit most ear sizes comfortably, providing convenience for extended use.
- Sweatproof, Not Waterproof: While the earphones are sweatproof, they are not suitable for swimming or full submersion.
- Volume Usage: To protect your hearing and prevent sound leakage, avoid using the headphones at maximum volume for prolonged periods.
- Automatic Connection: After the initial pairing, the earphones will automatically connect to your device when taken out of the charging case, simplifying daily use.
- Sleeping Comfort: The mini and lightweight design makes these earphones comfortable to wear even when lying on your side or sleeping.

9. Safety Information & Support
Please read all instructions and warnings before using this product. Improper use may result in damage to the product or personal injury. The product contains batteries; do not expose it to extreme heat or strong magnetic fields.
For detailed safety guidelines, warranty information, and further support, please refer to the official user manual PDF available at User Manual (PDF).