1. Product Overview
The XIAOMI J18 Headset Wireless Earphones are designed to provide a high-quality audio experience with advanced features for various activities. These True Wireless Stereo (TWS) earbuds offer seamless connectivity, intuitive touch controls, and a comfortable in-ear fit.

2. Package Contents
Ensure all items are present in the package:
- XIAOMI J18 Wireless Earbuds
- Charging Case
- Charging Cable
- User Manual
3. Setup and Charging
3.1 Initial Charging
Before first use, fully charge the earbuds and the charging case. Place the earbuds into the charging case and connect the charging cable to the case and a power source.
- Earbud Battery: 30 mAh each
- Charging Box Battery: 250 mAh
- The charging box can charge the headset approximately 4 times.
- Total music time with charging box: Up to 20 hours.

3.2 Pairing with a Device
- Open the charging case. The earbuds will automatically enter pairing mode.
- On your device (smartphone, tablet, computer), enable Bluetooth.
- Search for available Bluetooth devices and select "XIAOMI J18" from the list.
- Once connected, a voice prompt will confirm successful pairing.
The earbuds support synchronous connection, ensuring audio and video synchronization for an almost zero-delay experience, ideal for gaming and media consumption.

4. Operating Instructions
4.1 Touch Controls
The XIAOMI J18 earbuds feature advanced touch control technology for easy management of audio and calls. Gently tap the earbud unit to perform various functions:
- One-finger Tap: Play/Pause music, Answer/Hang up a call.
- Double Tap (Left/Right): Skip to the previous/next song.
- Long Press: Activate voice assistant.

The touch controls are designed to be comfortable, avoiding the discomfort often associated with physical buttons that can squeeze the ears.

4.2 Compatibility
The XIAOMI J18 earbuds are compatible with a wide range of devices, including Android, iPhone, iPad, and Windows operating systems, ensuring broad usability.
5. Maintenance
5.1 Cleaning
To maintain optimal performance and hygiene:
- Gently wipe the earbuds and charging case with a soft, dry, lint-free cloth.
- Avoid using abrasive materials, solvents, or harsh chemicals.
- Ensure charging contacts are clean and dry.
5.2 Water Resistance
The earbuds are waterproof. While they can withstand splashes and sweat, they are not designed for submersion in water. Avoid using them during swimming or showering.
5.3 Storage
When not in use, store the earbuds in their charging case to protect them from dust, damage, and to keep them charged.
6. Troubleshooting
If you encounter issues with your XIAOMI J18 earbuds, try the following steps:
- No Sound: Ensure earbuds are charged, properly paired, and volume is adjusted on both the earbuds and the connected device.
- Pairing Issues: Turn off Bluetooth on your device, place earbuds back in the case, close and reopen the case, then try pairing again. Ensure no other devices are trying to connect simultaneously.
- Charging Failure: Check the charging cable and power source. Ensure the charging contacts on the earbuds and inside the case are clean and free of debris.
- Unresponsive Touch Controls: Ensure your fingers are clean and dry. Try restarting the earbuds by placing them in the case and taking them out again.
7. Specifications
| Feature | Specification |
|---|---|
| Brand Name | Redmi (XIAOMI) |
| Model | J18 |
| Material | Metal, Plastic |
| Communication | Wireless (Bluetooth) |
| Bluetooth Version | 5.3 |
| Wireless Type | Bluetooth |
| Style | In-ear |
| Earcups Type | Semi-open |
| Vocalism Principle | Dynamic |
| Active Noise-Cancellation | Yes |
| Sound Isolating | Yes |
| With Microphone | Yes |
| Control Button | Yes |
| Volume Control | Yes |
| Waterproof | Yes |
| Support APP | Yes |
| Frequency Response Range | 20 - 20000Hz |
| Sensitivity | 46dB |
| Impedance Range | up to 32 Ω |
| Charging Method | Charging case |
| Earbud Battery Capacity | 30 mAh |
| Charging Case Battery Capacity | 250 mAh |
| Music Playback Time (with case) | Up to 20 hours |
| Origin | Mainland China |
8. Warranty and Support
For warranty information and customer support, please refer to the official XIAOMI website or contact your retailer. Keep your proof of purchase for any warranty claims.
The product typically includes a manufacturer's warranty. Additionally, platforms like AliExpress offer buyer protection, including:
- Free Returns: Within 90 days of purchase.
- Fast Delivery Guarantee: Eligibility for a $1.00 coupon code if delivery is delayed.
- Refunds: If the package is lost or items are damaged during transit.
For detailed terms and conditions regarding these services, please consult the respective platform's policies.