Introduction
Thank you for choosing the LC-dolida Sleep Headphones Sleep Mask. This device combines a comfortable sleep mask with integrated Bluetooth headphones, designed to provide a serene environment for sleep, relaxation, or travel. Please read this manual carefully to ensure proper use and maintenance of your product.
Safety Information
Always ensure the control module is correctly seated on the button before use. If the product does not turn on, check the power button's position. Hand wash only; avoid exposure to harsh conditions or chemicals.
Important: Prolonged exposure to loud sounds may cause hearing damage. Adjust volume to a safe level. Do not use while driving or in situations where external sounds are necessary for safety.
Package Contents
- LC-dolida Sleep Headphones Sleep Mask
- USB Charging Cable
- User Manual
- Carrying Pouch (may vary by package)
- Earplugs (may vary by package)
Product Overview
Components
- Sleep Mask: Soft, breathable fabric with 3D contoured eye cups for comfort and light blocking.
- Integrated Speakers: Ultra-thin stereo speakers positioned over the ears.
- Control Panel: Located on the front of the mask, containing power, volume, and track control buttons.
- Adjustable Strap: Velcro strap at the back for a secure and comfortable fit.
- Removable Electronics: Bluetooth module and speakers can be removed for washing.
Control Panel Functions
- Press and hold for 3 seconds: Power ON/OFF
- Short press: Play/Pause music, Answer/End call
- Double press: Redial last number
- Short press: Increase volume
- Long press: Next track
- Short press: Decrease volume
- Long press: Previous track

Setup
1. Charging the Device
- Locate the charging port on the control module.
- Connect the provided USB charging cable to the port and the other end to a USB power source (e.g., computer, wall adapter).
- The LED indicator light will show charging status (e.g., red for charging, blue/off when fully charged).
- A full charge typically takes 1-2 hours and provides 10-13 hours of playback time.

2. Bluetooth Pairing
- Ensure the sleep mask is charged.
- Press and hold the Power Button (middle button) for 3 seconds until the LED indicator light flashes blue and red, indicating pairing mode.
- On your smartphone or Bluetooth-enabled device, go to Bluetooth settings and enable Bluetooth.
- Search for available devices and select "LC-dolida" (or similar name) from the list.
- Once paired, the LED indicator will flash blue slowly or turn off, and you will hear a confirmation tone.
- The device will automatically connect to the last paired device when powered on, if within range.

Operating Instructions
Wearing the Sleep Mask
- Place the mask over your eyes, ensuring the control panel is centered on your forehead.
- Adjust the Velcro strap at the back for a snug yet comfortable fit. The 3D contoured eye cups should provide space around your eyes without pressure.
- Position the internal speakers over your ears for optimal sound.

Music Playback
- After successful Bluetooth pairing, open your music app on your device.
- Use the Power Button for Play/Pause.
- Use the '+' button for Volume Up (short press) or Next Track (long press).
- Use the '-' button for Volume Down (short press) or Previous Track (long press).
Phone Calls
- When a call comes in, the music will pause.
- Short press the Power Button to Answer or End a call.
- Press and hold the Power Button for 2 seconds to Reject a call.
- Double press the Power Button to Redial the last number.
Voice Assistant
Some models may support voice assistant activation. If available, a long press on the Power Button (after initial power on) may activate your device's voice assistant (e.g., Siri, Google Assistant).

Auto-Off Timer (If applicable)
Some versions of the sleep mask may include an auto-off timer feature (e.g., 1-3 hours). Refer to specific product documentation or test the device for this functionality. This feature automatically turns off the headphones after a set period, conserving battery.

Maintenance
Washing Instructions
- Before washing, carefully remove the Bluetooth control module and the two speaker units from their pockets within the sleep mask.
- Hand wash the fabric mask gently with mild soap and cool water.
- Do not machine wash, bleach, or iron the mask.
- Allow the mask to air dry completely before reinserting the electronic components.
- Ensure the electronic components are kept dry at all times.

Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device won't turn on. | Low battery; Power button not pressed long enough. | Charge the device fully. Press and hold the Power button for 3 seconds. |
| Cannot pair via Bluetooth. | Device not in pairing mode; Bluetooth off on phone; Too far from device. | Ensure mask is in pairing mode (flashing blue/red). Turn on Bluetooth on your device. Move closer to the mask. Forget previous pairings and try again. |
| No sound or poor sound quality. | Volume too low; Speakers misaligned; Device not connected. | Increase volume on both mask and connected device. Adjust speaker position over ears. Re-pair the device. |
| Battery drains quickly. | High volume usage; Old battery. | Reduce volume. Ensure device is fully charged before use. |
Specifications
- Model Number: LC001
- Bluetooth Version: V5.2
- Material: Memory Foam, Breathable Fabric
- Battery: 1 Lithium Ion battery (included)
- Charging Time: Approximately 1-2 hours
- Playing Time: Approximately 10-13 hours
- Dimensions: 8.9 x 4.53 x 1.34 inches
- Weight: 5.61 ounces
- Special Features: 3D Contoured, Breathable, 99% Light Blocking
Warranty and Support
LC-dolida products are designed for reliability and performance. For warranty information, technical support, or customer service inquiries, please refer to the contact information provided on the product packaging or visit the official LC-dolida website.
You can visit the LC-dolida Store for more information: LC-dolida Store
Legal Disclaimer
Statements regarding dietary supplements have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease or health condition. This product is intended for personal use to aid in relaxation and sleep by providing a dark environment and audio playback. It is not a medical device.
Product Videos
No official product videos are available at this time.





