Introduction
The SLuB Wireless Headset Bluetooth 5.3 Open-Ear Earphones, Model HBQ-Q81, are designed for sports and daily use. They feature an open-ear design for situational awareness and stable Bluetooth 5.3 connectivity. This manual provides essential information for the safe and effective use of your new earphones, including setup, operation, maintenance, and troubleshooting.
Product Features
- Open-Ear Design (OWS Air Conduction): These earphones utilize air conduction technology, allowing sound to be transmitted near your ear without blocking the ear canal. This design ensures you can hear your audio while remaining aware of ambient sounds, enhancing safety during outdoor activities. Advanced chip technology and algorithms optimize sound quality for this open-ear experience.
- Stable Bluetooth 5.3 Connectivity: Equipped with the latest Bluetooth 5.3, these earphones offer significantly improved connection range, stability, and data transmission speed. This advanced version effectively reduces common wireless communication issues such as audio dropouts, interruptions, and latency, providing a seamless listening experience.
- Single/Dual Earbud Use & Automatic Pairing: The earbuds support independent use, allowing you to use either one or both simultaneously. After the initial manual pairing, they will automatically connect to your device when removed from the charging case. All functions are controlled via intuitive touch sensors.
- Comfortable and Secure Fit: The ear hooks feature a 90° adjustable mechanical shaft, allowing for a secure and customized fit. This design prevents discomfort or fatigue during extended wear and ensures the earbuds remain stable during vigorous exercise, resisting slippage even with sweat.
- Large Capacity Charging Case & LED Display: The compact charging case contains a 600mAh battery, providing 4-5 full recharges for the earbuds. An integrated LED screen on the charging case accurately displays the remaining battery percentage, ensuring you are always aware of the power status.
Setup
1. Charging the Earbuds and Case
Before first use, fully charge the earbuds and the charging case. Connect the charging case to a USB power source using the provided USB-C cable. The LED display on the case will show the charging progress. Place the earbuds into the charging case; they will begin charging automatically.

The charging case features an LED display that shows the battery percentage. The image also illustrates the wide compatibility of the earphones with Android, iOS, and Windows devices.
2. Initial Pairing
- Ensure the earbuds are charged.
- Open the charging case. The earbuds will automatically enter pairing mode.
- On your device (smartphone, tablet, etc.), go to Bluetooth settings and turn on Bluetooth.
- Search for available devices and select "HBQ-Q81" (or similar name) from the list.
- Once connected, you will hear a confirmation tone.
This video demonstrates the key features of the SLuB HBQ-Q81 Wireless Headset, including unboxing, charging, automatic pairing, touch controls, comfortable fit, water resistance, and suitability for sports activities. It highlights Bluetooth 5.3 connectivity and the LED battery display.
3. Automatic Reconnection
After the initial pairing, the earbuds will automatically connect to the last paired device when removed from the charging case, provided Bluetooth is enabled on your device.
Operating Instructions
1. Wearing the Earbuds
Place the ear hook over your ear and adjust the earbud to fit comfortably and securely in your ear canal. The ear hooks can be rotated 90 degrees to achieve the optimal fit.

The ear hooks are designed for comfortable and stress-free wearing, with a 90-degree adjustment capability to ensure a perfect fit.

The stable and secure fit makes these earphones ideal for sports and active use, staying in place even during intense movement.
2. Touch Controls
The earbuds feature touch-sensitive controls for various functions:
- Play/Pause: Single tap on either earbud.
- Next Track: Double tap on the right earbud.
- Previous Track: Double tap on the left earbud.
- Volume Up: Triple tap on the right earbud.
- Volume Down: Triple tap on the left earbud.
- Answer/End Call: Single tap on either earbud during an incoming call or active call.
- Reject Call: Long press (2 seconds) on either earbud during an incoming call.
- Activate Voice Assistant (Siri/Google Assistant): Long press (2 seconds) on either earbud when not on a call.
- Power ON/OFF: Long press (4 seconds) on either earbud to power off. To power on, long press (2 seconds) or simply remove from the charging case.

Visual guide to the touch controls for various functions on the earbuds.
Maintenance
1. Cleaning
Regularly clean the earbuds and charging case with a soft, dry, lint-free cloth. Avoid using abrasive materials or harsh chemicals. Do not immerse the charging case in water.
2. Water Resistance
The earbuds feature excellent water resistance, making them suitable for use during workouts and in light rain. However, they are not designed for swimming or prolonged submersion. After exposure to sweat or water, wipe the earbuds dry before placing them back in the charging case to prevent damage.

The earphones are designed with water resistance, providing peace of mind during activities where they might be exposed to sweat or light moisture.
Troubleshooting
- Earbuds not pairing: Ensure both earbuds are charged. Place them back in the charging case, close the lid, then open it again to re-enter pairing mode. Check your device's Bluetooth settings and try reconnecting.
- No sound or intermittent sound: Ensure the earbuds are properly connected to your device. Check the volume levels on both the earbuds and your device. Move closer to your device to avoid interference.
- Charging issues: Verify that the charging cable is securely connected to both the case and the power source. Ensure the charging contacts on the earbuds and inside the case are clean and free of debris.
- Touch controls unresponsive: Ensure your fingers are clean and dry. Try restarting the earbuds by placing them in the case and taking them out again.
Specifications
| Brand | SLuB |
| Model Number | HBQ-Q81 |
| Bluetooth Version | 5.3 |
| Charging Case Battery Capacity | 600mAh |
| Compatibility | iPhone, iPad, Android devices (e.g., iPhone 6-15 series, Samsung Galaxy S6-S20 series, Nexus, Xperia) |
Warranty and Support
For warranty information and technical support, please refer to the documentation included with your purchase or visit the official SLuB website. Keep your proof of purchase for any warranty claims.





