1. Introduction
Thank you for choosing CozyPhones Wireless Sleep Headphones. This manual provides essential information for the safe and effective use of your device. Please read it thoroughly before operation and retain it for future reference.
These wireless headphones are designed for comfort during sleep, meditation, travel, and light activities. They feature ultra-thin speakers integrated into a soft, breathable headband, offering a comfortable audio experience without bulky earbuds.

Image: CozyPhones Wireless Sleep Headphones in use, demonstrating the comfortable, wearable design with wireless connectivity and volume limiting for ear protection.
2. Safety Information
- Do not expose the device to extreme temperatures or humidity.
- Keep the device away from water or other liquids.
- Avoid disassembling the device. Repairs should only be performed by qualified personnel.
- Do not use the headphones at excessively high volumes for extended periods to prevent hearing damage.
- Ensure the headband does not obstruct breathing or cause discomfort during sleep.
3. Package Contents
- CozyPhones Wireless Sleep Headband
- USB Charging Cable
- User Manual
4. Product Overview
The CozyPhones headband features a soft, flexible Lycra material with a cool mesh lining for breathability. The ultra-thin speakers are removable, allowing for easy cleaning of the headband. The control module is integrated into the front of the headband.

Image: An illustration detailing the design of the CozyPhones headband, highlighting the removable speakers, soft Lycra material, cool mesh lining, and contoured shape for secure fit over ears. It also indicates the headband is machine washable.
5. Setup
5.1 Charging the Device
- Locate the micro USB charging port on the control module within the headband.
- Connect the provided USB charging cable to the port.
- Plug the other end of the USB cable into a compatible USB power source (e.g., computer, wall adapter).
- The LED indicator light will illuminate during charging. A full charge typically takes approximately 3 hours.
- Once fully charged, the LED indicator may change color or turn off. Disconnect the charging cable.

Image: A visual representation of the CozyPhones' battery life and charging method, showing a micro USB cord for easy charging and indicating 3 hours charging time, 13 hours play time, and 65 hours standby time.
5.2 Bluetooth Pairing
- Ensure the CozyPhones are fully charged.
- Press and hold the Power On/Off button (usually the play/pause button) on the control module until the LED indicator light flashes blue and red, indicating pairing mode.
- On your device (smartphone, tablet, laptop), enable Bluetooth and search for available devices.
- Select "CozyPhones" from the list of found devices.
- Once paired, the LED indicator light will typically show a solid blue or flash blue slowly.
6. Operating Instructions
6.1 Basic Controls
The control module on the headband allows for easy management of your audio and calls:
- Power On/Off: Long press the Play/Pause button.
- Play/Pause: Short press the Play/Pause button.
- Volume Up: Short press the '+' button.
- Volume Down: Short press the '-' button.
- Next Track: Long press the '+' button.
- Previous Track: Long press the '-' button.

Image: A detailed view of the CozyPhones control panel, illustrating functions such as volume adjustment, track navigation, power on/off, play/pause, and call handling (answer/hang up, redial, reject) via a built-in microphone.
6.2 Wearing the Headphones
Position the headband comfortably around your head, ensuring the speakers are aligned with your ears. The contoured design is intended to fit securely and comfortably, even for side sleepers. Adjust the headband for a snug fit that does not exert excessive pressure.

Image: A person sleeping on their side wearing CozyPhones, emphasizing the product's suitability for side sleepers due to its cool, breathable, soft, and comfortable fabric.
6.3 Making and Receiving Calls
The built-in microphone allows for hands-free calling when connected to your smartphone:
- Answer/Hang Up Call: Short press the Play/Pause button.
- Reject Call: Long press the Play/Pause button.
- Redial Last Call: Double-click the Play/Pause button.
7. Maintenance
7.1 Cleaning the Headband
The headband is machine washable. To clean:
- Carefully remove the internal speakers and control module from the headband.
- Machine wash the fabric headband on a gentle cycle with cold water.
- Air dry the headband completely before reinserting the electronic components.
- Ensure the speakers and control module are completely dry before reassembly.
7.2 Storage
Store your CozyPhones in a cool, dry place away from direct sunlight and extreme temperatures when not in use. Avoid placing heavy objects on the headband to prevent damage to the internal components.
8. Troubleshooting
- Device not powering on: Ensure the device is fully charged.
- Cannot pair with Bluetooth: Ensure the CozyPhones are in pairing mode (flashing blue/red LED). Check that Bluetooth is enabled on your device and that it is within range. Try restarting both devices.
- No sound: Check the volume levels on both the CozyPhones and your connected device. Ensure the speakers are correctly positioned over your ears.
- Poor sound quality: Ensure the device is within Bluetooth range and there are no obstructions. Check for interference from other wireless devices.
- Charging issues: Verify the charging cable is securely connected to both the CozyPhones and the power source. Try a different USB port or adapter.
9. Specifications
| Feature | Detail |
|---|---|
| Model Number | COZY-LYCRA-BLACK-BT-2020 |
| Brand | CozyPhones |
| Connectivity | Bluetooth Wireless |
| Material | Lycra, Spandex, Cool Mesh Lining |
| Charging Time | Approx. 3 hours |
| Play Time | Approx. 13 hours |
| Standby Time | Approx. 65 hours |
| Features | Built-in Microphone, Removable Speakers, Machine Washable Headband |
10. Warranty and Support
10.1 Warranty Information
This product is sold without an explicit warranty. Please refer to your retailer's return policy for details regarding returns or exchanges within the applicable period.
10.2 Customer Support
For further assistance or inquiries, please contact CozyPhones customer support through their official website or the retailer where the product was purchased.