1. Introduction
Thank you for choosing the Sudio A1 True Wireless Earbuds. These earbuds are designed to provide a high-quality audio experience with the convenience of wireless connectivity. Featuring Bluetooth 5.3 for stable connections, a comfortable open-ear fit, and IPX4 water resistance, the Sudio A1 earbuds are suitable for various activities, from daily commuting to workouts. This manual provides essential information on setting up, operating, maintaining, and troubleshooting your new earbuds.

Image: The Sudio A1 True Wireless Earbuds, presented in their sleek black charging case. The earbuds are visible upright within the open case, showcasing their design and the Sudio branding on the case exterior.
2. Package Contents
Please check the box for the following items:
- Sudio A1 True Wireless Earbuds
- Wireless Charging Case
- USB-C Charging Cable
- User Manual (this document)
3. Getting Started
3.1 Charging the Case and Earbuds
Before first use, it is recommended to fully charge both the charging case and the earbuds.
- Place the earbuds into the charging case. Ensure they are correctly seated in their respective slots.
- Connect the provided USB-C charging cable to the charging port on the case and the other end to a USB power source (e.g., wall adapter, computer USB port).
- The LED indicators on the charging case will illuminate to show the charging status. A full charge for the case takes approximately 1.5 hours.
- Once fully charged, the earbuds provide up to 7 hours of listening time, with the charging case extending total playtime to approximately 45 hours.
3.2 Initial Pairing
The Sudio A1 earbuds feature one-step pairing for quick and easy connection.
- Ensure the earbuds are charged and placed inside the charging case.
- Open the charging case. The earbuds will automatically power on and enter pairing mode.
- On your device (smartphone, tablet, laptop), enable Bluetooth and search for new devices.
- Select "Sudio A1" from the list of available devices.
- Once connected, you will hear an audible confirmation, and the earbuds will be ready for use.

Image: A person is shown holding a Sudio A1 earbud, with another earbud visible in their ear, demonstrating the ease of the one-step pairing process with a mobile device.
4. Using Your Earbuds
4.1 Wearing the Earbuds
The Sudio A1 earbuds are designed for a comfortable open-ear fit. Gently insert each earbud into your ear canal until it feels secure and comfortable. Adjust as needed for optimal sound and fit.
Image: A close-up of a person's head with a Sudio A1 earbud comfortably placed in their ear, illustrating the ergonomic design for a secure fit.
4.2 Touch Controls
The Sudio A1 earbuds feature intuitive touch controls for managing your audio and calls. Specific gestures for functions such as play/pause, skip track, answer/end call, and activating voice assistant are detailed in the included quick start guide. Please refer to that guide for a comprehensive list of touch commands.
4.3 Making Calls
The earbuds are equipped with a built-in microphone, allowing for clear hands-free calls. When a call comes in, you can answer or end it using the touch controls on the earbuds. The microphone is optimized for voice clarity during conversations.
Image: The Sudio A1 earbuds and their purple charging case are displayed, with text emphasizing the built-in microphone feature for clear calls.
4.4 Listening to Music
Once paired, you can enjoy your favorite music and audio content. Use your device's media player to control playback, and adjust volume either on your device or via the earbud touch controls if supported.
Image: A close-up view of the Sudio A1 earbuds, accompanied by text indicating their long battery life, allowing for extended music listening sessions.
5. Care and Maintenance
5.1 Cleaning
To ensure optimal performance and hygiene, regularly clean your earbuds and charging case:
- Use a soft, dry, lint-free cloth to wipe the earbuds and charging case.
- For stubborn dirt, slightly dampen the cloth with water. Avoid using harsh chemicals or abrasive materials.
- Gently clean the speaker mesh and charging contacts with a dry cotton swab or a soft brush.
5.2 Water Resistance (IPX4)
The Sudio A1 earbuds and charging case are rated IPX4 water resistant. This means they are protected against splashing water from any direction. They are suitable for workouts and light rain but should not be submerged in water or exposed to strong jets of water.
- Do not charge the earbuds or case if they are wet. Ensure they are completely dry before charging.
- Avoid exposing the earbuds to saltwater, chlorinated water, or other liquids that may cause damage.
Image: The Sudio A1 charging case is shown with small water droplets on its surface, visually representing its IPX4 water resistance, making it suitable for use in various conditions.
5.3 Storage
When not in use, store the earbuds in their charging case to protect them and keep them charged. Store the case in a cool, dry place away from extreme temperatures and direct sunlight.
Image: The Sudio A1 earbuds and their compact charging case are shown fitting easily into a jeans pocket, highlighting their portable and pocket-size design for on-the-go convenience.
6. Troubleshooting
If you encounter issues with your Sudio A1 earbuds, please refer to the following common problems and solutions:
| Problem | Possible Solution |
|---|---|
| Earbuds not pairing with device |
|
| Only one earbud playing sound |
|
| No sound or low volume |
|
| Charging issues |
|
| Earbuds not turning on/off |
|
7. Product Specifications
| Feature | Detail |
|---|---|
| Model Name | A1 (SD-1701) |
| Connectivity Technology | Wireless (True Wireless) |
| Bluetooth Version | 5.3 |
| Bluetooth Range | Up to 10 meters (33 feet) |
| Ear Placement | In Ear (Open-ear design) |
| Control Type | Touch Control |
| Microphone | Included |
| Water Resistance Level | IPX4 (Splash Resistant) |
| Battery Life (Earbuds) | Up to 7 hours |
| Total Playtime (with Case) | Up to 45 hours |
| Charging Time (Case) | Approx. 1.5 hours |
| Charging Port | USB-C |
| Frequency Range | 20 Hz - 20,000 Hz |
| Sensitivity | 118 dB |
| Impedance | 32 Ohm |
| Material | Plastic or similar synthetic material |
| Item Weight | 0.176 ounces (approx. 5 grams per earbud) |
8. Warranty and Support
Sudio products are manufactured to high-quality standards. For information regarding warranty coverage, product registration, and customer support, please visit the official Sudio website or contact their customer service directly. Keep your proof of purchase for any warranty claims.
Online Support: www.sudio.com/support