Introduction
Thank you for purchasing the radius HP-H10BT ear-hug wireless earphones. This manual provides essential information for the safe and optimal use of your device. Please read it thoroughly before use and keep it for future reference.

The radius HP-H10BT ear-hug wireless earphones, designed for comfortable, open-ear listening. Available in multiple colors.
Package Contents
Ensure all items are present in the package:
- radius HP-H10BT Wireless Earphones (Left and Right)
- Charging Case
- Charging Cable (USB-C to USB-A)
- Instruction Manual (with Warranty Card)
Setup
1. Initial Charging
Before first use, fully charge the earphones and the charging case. Connect the provided USB-C to USB-A cable to the charging case and a USB power adapter (not included).
2. Bluetooth Pairing
- Open the charging case. The earphones will automatically enter pairing mode, indicated by a flashing LED light on the earphones.
- On your device (smartphone, tablet, etc.), enable Bluetooth and search for available devices.
- Select "HP-H10BT" from the list of found devices to complete the pairing process.
- Once paired, the LED indicator on the earphones will stop flashing.
Operating Instructions
Power On/Off
- Power On: Open the charging case, and the earphones will automatically power on.
- Power Off: Place the earphones back into the charging case and close the lid. They will automatically power off and begin charging.
Touch Controls
The HP-H10BT earphones feature intuitive touch controls for various functions. The touch sensor is located on the outer surface of each earphone.

A user demonstrating the touch control feature on the earphone. The touch sensor is located on the outer surface of the earphone.
| Function | Left Earphone | Right Earphone |
|---|---|---|
| Play / Pause | Double Tap | |
| Next Track | Triple Tap | |
| Previous Track | Triple Tap | |
| Answer Call | Double Tap | Double Tap |
| Reject Call | Triple Tap | Triple Tap |
| End Call | Double Tap | Double Tap |
| Activate Voice Assistant | Double Tap |
Note: Some operations may not be assigned to prevent accidental activation.
Features
Stress-Free and Comfortable Fit
The ear-hug design utilizes a flexible silicone bridge that gently embraces the ear, providing a secure and comfortable fit without sealing the ear canal. This design distributes pressure across a wider area, reducing the burden on your ears.

Illustration of the flexible bridge design that gently hugs the ear for a secure and comfortable fit, reducing ear burden.
Open-Ear Listening Structure
Enjoy your audio while remaining aware of your surroundings. The open-ear design allows you to listen to music or calls without blocking ambient sounds, making it ideal for daily activities like commuting, walking, or working.
Sound that Blends with Daily Life
The HP-H10BT delivers a balanced sound profile with rich bass and controlled treble, creating a natural acoustic environment. This tuning allows music to gently integrate into your daily life, enhancing various scenes from relaxation to active moments.

A person enjoying music with the earphones while drinking coffee, illustrating how the sound blends into daily activities.
Up to 25 Hours Long Battery Life
The earphones provide up to 10 hours of continuous playback on a single charge. With the charging case, the total battery life extends to approximately 25 hours, supporting long commutes, business trips, or travel throughout the day.

The HP-H10BT earphones and their charging case next to a laptop, highlighting the long battery life.
IPX4 Splash-Proof Specification
The earphones are rated IPX4 splash-proof, making them resistant to splashes from any direction. This feature provides peace of mind during sudden rain showers or when sweating, and is suitable for outdoor activities like walking or camping.

The earphones with water droplets, demonstrating their IPX4 splash-proof rating, suitable for outdoor activities.
Compact Charging Case
The charging case features a smooth, pebble-like form factor that fits comfortably in the palm of your hand. It stores neatly in pockets or bags, allowing for easy portability. The tactile feel of the case enhances the user experience.

A hand holding the compact charging case, emphasizing its portability and ergonomic design.
Maintenance
To ensure the longevity and optimal performance of your earphones, follow these maintenance guidelines:
- Regularly clean the earphones and charging case with a soft, dry cloth.
- Avoid using abrasive materials or harsh chemicals.
- Keep the charging contacts on both the earphones and the case clean and free of debris.
- Store the earphones in their charging case when not in use to protect them and maintain battery life.
Troubleshooting
Earphones not charging in case
When returning the earphones to the charging case, ensure they are properly seated at the back of the case. After the magnetic attachment, confirm that the LED on the earphone lights up, indicating that charging has started. If the LED does not light up, remove the earphone and re-insert it firmly.
No sound or intermittent connection
- Ensure both earphones are powered on and properly paired with your device.
- Check the Bluetooth connection on your device and reconnect if necessary.
- Make sure the earphones are charged.
- Try resetting the earphones by placing them in the charging case, closing the lid, and then reopening it.
Difficulty with touch controls
- Ensure your finger is clean and dry when using touch controls.
- Practice the tap gestures (double tap, triple tap) to ensure correct execution.
Specifications
| Feature | Specification |
|---|---|
| Brand | radius |
| Model Number | HP-H10BT |
| Headphone Style | True Wireless |
| Ear Placement | Open-ear |
| Impedance | 16 Ohms |
| Communication Interface | Wireless (Bluetooth) |
| Waterproof Type | Water Resistant (IPX4) |
| Noise Control | None |
| Controller Type | Touch |
| Included Items | Charging cable (USB-C to USB-A), Instruction manual (with warranty card) |
| Country of Origin | China |
Warranty and Support
This product comes with a 1-year manufacturer's warranty from the date of purchase. Please retain your proof of purchase and the warranty card included in the package.
For warranty claims, technical support, or further inquiries, please refer to the official radius website or contact your authorized retailer. Products purchased from unauthorized sellers may not be covered under warranty.
Important Note: For quality improvement purposes, radius products undergo inspection, firmware updates, and periodic recharging before shipment. Therefore, the product packaging may have been temporarily opened. This does not indicate a used product, and the quality remains unaffected. Your understanding is appreciated.





