1. Introduction
Thank you for choosing the SHUKE SK19 Mini Invisible Headphones. These compact, in-ear wireless earphones are designed for comfortable wear, especially during sleep, offering high-fidelity music and clear calls with advanced Bluetooth 5.3 technology. This manual provides essential information for setting up, operating, and maintaining your new headphones.

2. Package Contents
Please check the package for the following items:
- 1 x Pair of SHUKE SK19 Headphones
- 1 x Charging Case (Charging Bin)
- 1 x Type-C Charging Cable
- 1 x User Manual (Instructions)
3. Product Specifications
| Feature | Specification |
|---|---|
| Model | SK19 |
| Material | Plastic (ABS+PC) |
| Headset Dimensions | 17 x 14 x 18 mm |
| Headset Weight | 2g |
| Charging Case Dimensions | 4 x 4 x 2.7 cm |
| Bluetooth Version | 5.3 |
| Wireless Range | <10m |
| Frequency Response | 20Hz - 20KHz |
| Sensitivity | 103 + 3dB |
| Impedance | 32Ω ± 15% |
| Driver Diameter | 6mm |
| Headphone Battery Capacity | 25mAh |
| Charging Case Battery Capacity | 200mAh |
| Play Time | Approx. 4 hours |
| Talk Time | Approx. 4-5 hours |
| Standby Time | Approx. 120 hours |
| Waterproof Rating | IPX5 |
| Charging Port | Type-C |
| Charging Voltage | DC 5V |
| Headphone Charging Time | Approx. 30 minutes |
| Charging Case Charging Time | Approx. 1 hour |
| Voice Assistant Support | Yes (Apple Siri, Google Assistant) |
| Control Type | Touch Button |
| Operating Temperature | -10°C to 50°C |
| Storage Temperature | -20°C to 55°C |
4. Product Diagram & Components
Familiarize yourself with the different parts of your SHUKE SK19 headphones and charging case:

5. Setup & Charging
5.1. Initial Charging
Before first use, ensure both the headphones and the charging case are fully charged.
- Connect the Type-C charging cable to the charging port on the case and a power source.
- The digital display on the charging case will show the battery percentage. When fully charged, it will display 100%.
- When the charging case charges the headphones, the headphone indicator lights will glow red, and the case's blue light will shine.
- A 'Beep' prompt indicates low headphone battery.

5.2. Bluetooth Pairing
- Power On: Take the headphones out of the charging case. They will automatically power on, and the red and blue indicator lights will flash alternately, indicating they are in pairing mode.
- Enable Bluetooth: On your mobile device, go to 'Settings' and enable Bluetooth.
- Search for Device: Look for 'SK19' in the list of available devices.
- Connect: Tap 'SK19' to connect. Once connected, the indicator lights on the headphones will stop flashing.
6. Operating Instructions
The SHUKE SK19 headphones feature intelligent fingerprint touch controls. Refer to the diagram below for specific functions:

- Power On: Long press the touch function area for 3 seconds.
- Power Off: Long press the touch function area for 6 seconds.
- Answer/End Call: Single click the touch function area.
- Reject Incoming Call: Long press the touch function area for 1.5 seconds.
- Play/Pause Music: Double click the touch function area.
- Previous Song: Triple click the left (L) headphone's touch function area.
- Next Song: Triple click the right (R) headphone's touch function area.
- Volume Up: Long press the left (L) headphone's touch function area for 1.5 seconds.
- Volume Down: Long press the right (R) headphone's touch function area for 1.5 seconds.
- Game Mode/Music Mode Switch: Four clicks on the right (R) headphone's touch function area.
- Activate Voice Assistant (Siri/Google Assistant): Four clicks on the left (L) headphone's touch function area.
- Restore Factory Settings (Clear Pairing Record): Five clicks on the touch function area when the phone is not connected.
7. Maintenance
To ensure the longevity and optimal performance of your SHUKE SK19 headphones, follow these maintenance guidelines:
- Cleaning: Regularly clean the headphone charging contacts with a clean cotton cloth to prevent charging or power-on issues due to dirt accumulation.
- Water Exposure: The headphones are IPX5 waterproof, meaning they are resistant to splashes and sweat. However, do not immerse them in water or wash them in a washing machine. If they get wet, allow them to dry naturally before using them again.
- Storage: Store the headphones and charging case in a cool, dry place away from direct sunlight and extreme temperatures.
8. Troubleshooting
If you encounter any issues with your SHUKE SK19 headphones, try the following steps:
- Headphones not pairing: Ensure Bluetooth is enabled on your device and the headphones are in pairing mode (flashing red and blue lights). If issues persist, try restoring factory settings.
- Charging issues: Clean the charging contacts on both the headphones and the case. Ensure the charging cable is securely connected and the power source is working. Check the digital display for battery status.
- No sound/Poor sound quality: Ensure the headphones are properly seated in your ears for optimal sound isolation. Check the volume levels on both the headphones and your connected device. Re-pair the headphones if necessary.
- Voice Assistant not responding: Ensure the headphones are connected and try the four-click gesture on the left (L) headphone.
- Factory Reset: If you experience persistent connectivity or functional issues, perform a factory reset by triple-clicking the touch function area five times when the phone is not connected. This will clear all pairing records.
9. User Tips
- Comfortable Fit: Experiment with different ear tip positions to find the most comfortable and secure fit, especially for extended wear or sleeping. A good fit enhances sound quality and noise isolation.
- Regular Cleaning: Keep the earbuds and charging case clean to prevent dust and debris from affecting charging and sound performance.
- Voice Assistant: Utilize the voice assistant feature for hands-free control of your device, making tasks like calling, messaging, or setting reminders more convenient.
- Battery Management: Fully charge your headphones and case before long trips or extended use to maximize listening time. The LED power display on the case helps you monitor battery levels easily.
10. Safety Information
Please read all instructions and warnings before using this product. Improper use will damage the product or personal safety.
- Battery Safety: The product contains batteries. Do not expose the product to strong sunlight or overheated environments such as heaters. Do not store this product at high temperatures, under strong light, or in a strong magnetic field.
- Physical Damage: The product cannot be placed near a fire source or in other harsh environments. It is forbidden to knock, throw, trample, squeeze, or throw into fire. If there is swelling, do not use it.
- Temperature Range: The ambient operating temperature of the product is 0-45°C. The storage temperature is -20-55°C.
- Proper Use: Do not use the product inappropriately or in violation of the product instructions. Doing so may cause damage to the product or endanger personal and property safety, and you will bear the consequences.
- Disassembly: Non-professional personnel are strictly forbidden to disassemble this product. Otherwise, it may cause fire or even completely damage this product.
- Overload: Do not use loads (electrical appliances) that exceed the output current of this product. If the load is exceeded, it will automatically stop working.
- Water Exposure: Do not put this product in water (or a washing machine). If the product has water ingress, please wait for it to dry naturally before using it.
11. Warranty & Support
For any product-related inquiries, technical support, or warranty claims, please contact your seller or refer to the official product page. Keep your purchase receipt as proof of purchase.
A detailed user manual in PDF format is available for download: View User Manual (PDF)



