Introduction
Thank you for choosing the PAXA S01 Ultra Wireless Bluetooth 5.4 Earphones. These bone conduction headphones are designed for comfort and performance, offering a secure fit, professional-grade water resistance, and clear audio for music, calls, and gaming. This manual provides essential information on how to set up, operate, maintain, and troubleshoot your earphones.

Image: Overview of PAXA S01 Ultra earphones highlighting features like battery life, waterproof rating, Bluetooth version, and ergonomic design.
Package Contents
- PAXA S01 Ultra Headphones x1
- Charging Cable (Type-C) x1
- User Manual x1

Image: Product packaging and a list of included items and key specifications.
Setup
1. Charging the Earphones
Before first use, fully charge your earphones. The PAXA S01 Ultra features a 180mAh battery, providing approximately 8 hours of playtime on a full charge. A full charge takes about 2 hours.
- Connect the provided Type-C charging cable to the charging port on the earphones.
- Connect the other end of the cable to a USB power source (e.g., computer, wall adapter).
- The indicator light will show the charging status. It will typically turn off or change color once fully charged.

Image: Visual representation of the earphone's battery capacity and powerful battery life.
2. Bluetooth Pairing
The earphones use a Wireless 5.4 chip for stable and fast connection.
- Ensure the earphones are charged and powered off.
- Press and hold the Power button until the indicator light flashes, indicating pairing mode.
- On your device (smartphone, tablet, computer), enable Bluetooth and search for available devices.
- Select "PAXA S01 Ultra" from the list of devices.
- Once connected, the indicator light will stop flashing or show a steady light.

Image: Representation of the Wireless 5.4 chip for stable Bluetooth connection.
Operating Instructions
The PAXA S01 Ultra features mechanical buttons for easy one-handed operation of music, calls, and voice assistant functions.

Image: Detailed diagram of button functions for one-handed operation.
Button Functions:
- Power Button:
- Click: Play/Pause music, Answer/Hang up calls.
- Double-click: Wake up voice assistant, Reject incoming calls.
- '-' Button:
- Click: Decrease volume.
- Long press (2 seconds): Switch to previous song.
- '+' Button:
- Click: Increase volume.
- Long press (2 seconds): Switch to next song.
Maintenance
Water Resistance
The PAXA S01 Ultra earphones feature professional-grade IPX56 water resistance. This means they are splashproof and washable, designed to withstand rain, splashes, and sweat without fear of water ingress. The charging port has a hidden sealed design for added protection.

Image: Earphones being splashed with water, demonstrating IPX56 water resistance.
Cleaning
To maintain optimal performance and hygiene, regularly clean your earphones. Use a soft, dry cloth to wipe the surfaces. For stubborn dirt, a slightly damp cloth can be used, ensuring the charging port is dry before charging.
Troubleshooting
- No Power: Ensure the earphones are fully charged.
- Cannot Pair: Make sure the earphones are in pairing mode (flashing indicator light) and within range of your device. Turn off and on Bluetooth on your device, or restart both devices.
- No Sound: Check the volume levels on both the earphones and your connected device. Ensure the earphones are properly connected via Bluetooth.
- Poor Sound Quality: Ensure there are no obstructions between the earphones and your device. Move closer to your device to improve signal strength.
- Call Noise Reduction: The earphones feature call noise reduction for clear calls even outdoors. If call quality is poor, ensure the microphone is not obstructed.
Specifications
| Feature | Specification |
|---|---|
| Headphone Model | S01 Ultra |
| Brand Name | PAXA |
| Waterproof Grade | IPX56 |
| Battery Capacity | 180mAh |
| Charging Port | Type-C |
| Charging Time | About 2 hours |
| Playing Time | 8 hours |
| Wireless Version | Bluetooth 5.4 |
| Transmission Distance | ≥10m (Maximum wireless range <10m from product properties, using image value) |
| Frequency Response Range | 20 - 20000Hz |
| Speaker Specifications | Φ16.3mm (Driver Diameter) |
| Vocalism Principle | Dynamic, Bone Conduction |
| Impedance Range | up to 32 Ω (Resistance: 32Ω) |
| Material | PVC, Plastic |
| Sound Isolating | Yes |
| Number Of Drivers | 2 |
| With Microphone | Yes |
| Volume Control | Yes |
| Active Noise-Cancellation | No (Features Call Noise Reduction) |
| Style | Bone Conduction, Neckband |
| Certification | CE, FCC |

Image: Detailed view of the 16.3mm large dynamic coil and its impact on sound performance.

Image: Illustration of the one-piece fully enclosed cavity and bone conduction sound transmission.
Warranty and Support
The PAXA S01 Ultra earphones are designed for durability and performance. For any issues or support inquiries, please contact the seller or refer to the warranty information provided at the time of purchase. Keep your purchase receipt for warranty claims.