1. Introduction
Thank you for choosing the Kinglucky Sleep Headphones Model i153. These wireless Bluetooth earbuds are designed for comfort, especially for side sleepers, and feature noise-cancelling capabilities to provide a peaceful audio experience. This manual provides detailed instructions for setup, operation, and maintenance to ensure optimal performance and longevity of your device.

Image: Kinglucky Sleep Headphones and charging case, highlighting their purpose as a sleep aid.
2. Package Contents
Please verify that all the following items are included in your package:
- Earbuds x 1 Pair
- Charging Case x 1
- User Manual x 1
- USB-C Charging Cable x 1

Image: A visual representation of all items included in the product packaging.
3. Setup
3.1 Charging the Case and Earbuds
Before first use, fully charge the charging case and earbuds. The charging case features a digital display to show the current battery percentage.
- Place the earbuds into the charging case. Ensure they are properly seated to make contact with the charging pins.
- Connect the provided USB-C charging cable to the charging port on the case and plug the other end into a USB power adapter (not included).
- The digital display on the case will show the charging status. A full charge provides up to 4 hours of earbud use, with the charging case offering an additional 25 hours of playtime.

Image: Charging case with digital battery display and an illustration of extended battery life.
3.2 Bluetooth Pairing
The earbuds utilize Bluetooth 5.3 technology for a stable and efficient connection.
- Open the charging case. The earbuds will automatically enter pairing mode.
- On your mobile device, go to Bluetooth settings and search for 'My002UN' or 'Kinglucky i153'.
- Select the device name to connect. Once connected, you will hear a voice prompt confirming successful pairing.

Image: Features of the earbuds, including a visual of the Bluetooth pairing process on a smartphone.
Video: Overview of Kinglucky Sleep Headphones Wireless Earbuds, demonstrating their compact size and features.
4. Operating the Earbuds
4.1 Wearing the Earbuds
These earbuds are designed to be small and discreet, providing comfort even for side sleepers.
- Gently insert each earbud into your ear canal.
- Adjust for a snug and comfortable fit. The soft silicone ear tips ensure minimal pressure, making them suitable for extended wear, including during sleep.

Image: Detailed view of the earbuds' ergonomic design, emphasizing comfort for side sleepers.
Video: Demonstration of Kinglucky Sleep Headphones for Side Sleeping Earbuds, showcasing their fit and comfort.
4.2 Touch Controls
The earbuds feature intuitive touch controls for easy management of audio and calls.
- Touch Twice: Play/Pause audio.
- Touch Three Times: Adjust volume (plus or minus).
- Touch Four Times: Activate voice assistant.
- Short Press: Answer incoming calls.
- Long Press (2s): Hang up calls or reject incoming calls.

Image: Visual guide to the touch-sensitive controls on the earbuds.
4.3 Noise Cancelling
The micro earbuds are designed to effectively block external noise, creating a quiet environment for better rest or focused listening.
4.4 Water Resistance
The earbuds are IPX3 water-resistant, offering protection against sweat and light splashes. They are not suitable for swimming or submersion in water.
5. Specifications
| Feature | Specification |
|---|---|
| Model | i153 |
| Bluetooth Version | 5.3 |
| Transmission Range | 10-15m |
| Charging Case Battery | 300mAh |
| Earbuds Battery | 30mAh |
| Music Time | 4 Hours |
| Calling Time | 4 Hours |
| Standby Time | About 170 Hours |
| Charging Input | DC5V=2A |
| Water Resistance Level | IPX3 (Water Resistant) |
| Product Dimensions | 2 x 2 x 1 inches |
| Item Weight | 2.89 ounces |
| Material | Silicone |
6. Maintenance
To ensure the longevity and optimal performance of your Kinglucky Sleep Headphones, follow these maintenance guidelines:
- Cleaning: Use a soft, dry cloth to clean the earbuds and charging case. Do not use abrasive cleaners or solvents.
- Storage: Store the earbuds in their charging case when not in use to protect them from dust and damage. Keep them in a cool, dry place away from extreme temperatures.
- Avoid Water Exposure: While IPX3 rated, avoid prolonged exposure to water or submersion. Ensure the charging port is dry before charging.
7. Troubleshooting
If you encounter any issues with your Kinglucky Sleep Headphones, refer to the following common solutions:
- No Power: Ensure the charging case and earbuds are fully charged. Check the charging cable and adapter.
- Pairing Issues: Make sure Bluetooth is enabled on your device and the earbuds are in pairing mode. Try forgetting the device in your Bluetooth settings and re-pairing.
- No Sound/Low Volume: Check the volume levels on both your device and the earbuds. Ensure the earbuds are properly seated in your ears.
- Intermittent Connection: Ensure there are no obstructions between the earbuds and your device. Keep the device within the recommended Bluetooth range (10-15 meters).
8. Warranty and Support
Kinglucky products come with a standard manufacturer's warranty. For detailed warranty information, technical support, or service inquiries, please refer to the warranty card included in your package or visit the official Kinglucky website. Please retain your proof of purchase for warranty claims.





