Model: SD-2001
The Sudio E3 Wireless Earbuds are designed to provide a superior audio experience with advanced features such as Hybrid Active Noise Cancellation (ANC), Bluetooth 5.3 connectivity, and extended playtime. These earbuds are built for comfort, clarity, and durability, making them suitable for various daily activities.

Image: Sudio E3 Wireless Earbuds and their charging case. The earbuds are black with a sleek design, and the charging case is compact and black, featuring the Sudio logo.
Video: An introductory video showcasing the Sudio E3 TWS earbuds with hybrid ANC. It highlights the sleek design and the noise-cancelling feature in various usage scenarios.
Upon opening your Sudio E3 package, you should find the following components:

Image: The retail packaging for the Sudio E3 earbuds, showing the product name "E3" and an image of the earbuds on the front.
Video: An unboxing video of the Sudio E3 Black earbuds, demonstrating the contents of the package including the earbuds, charging case, eartips, USB-C cable, and owner's manual.
Before first use, ensure your Sudio E3 earbuds and charging case are fully charged. Place the earbuds into the charging case and close the lid. Connect the USB-C cable to the charging port on the case and to a power source. The indicator light on the case will show charging status. The case also supports wireless charging.
For optimal sound quality and comfort, select the correct size of eartips. The Sudio E3 comes with four sizes (XS, S, M, L). Experiment to find the best fit that creates a good seal in your ear canal.

Image: A person wearing a Sudio E3 earbud, demonstrating the in-ear fit. The earbud is black and sits comfortably in the ear.
The Sudio E3 earbuds feature intuitive touch controls on each earbud. The specific functions are:
| Action | Control |
|---|---|
| Play/Pause Music | Single tap on either earbud |
| Next Track | Double tap on the right earbud |
| Previous Track | Double tap on the left earbud |
| Answer/End Call | Single tap on either earbud |
| Reject Call | Press and hold on either earbud for 2 seconds |
| Activate Voice Assistant | Triple tap on the left earbud |
| Toggle ANC/Transparency Mode | Press and hold on the right earbud for 2 seconds |
The Sudio E3 supports multi-point connection, allowing you to connect to two devices simultaneously (e.g., a smartphone and a laptop). To use this feature:
Audio will automatically switch between devices based on which one is actively playing sound or receiving a call.
Always store the earbuds in their charging case when not in use to protect them from dust, damage, and to keep them charged.
| Problem | Possible Solution |
|---|---|
| Earbuds not pairing/connecting |
|
| Only one earbud playing sound |
|
| Low volume or poor sound quality |
|
| Charging issues |
|
| Feature | Detail |
|---|---|
| Model Name | Sudio E3 Black |
| Model Number | SD-2001 |
| Noise Control | Hybrid Active Noise Cancellation (ANC) |
| Connectivity Technology | Wireless (Bluetooth 5.3) |
| Bluetooth Range | 10 Meters |
| Audio Codec | AAC |
| Frequency Range | 20Hz - 20kHz |
| Battery Life (Earbuds) | Up to 6-7 hours |
| Total Playtime (with case) | Up to 30 hours |
| Charging | USB-C and Wireless Charging |
| Microphones | 4 (two on each earbud) |
| Water Resistance Level | Water Resistant (Sweat and Splash Resistant) |
| Item Weight | 50.8 Grams (earbuds and case) |
| Control Method | Touch |
Sudio products are covered by a limited warranty. For detailed warranty information, product registration, and technical support, please visit the official Sudio website or contact their customer service. Keep your proof of purchase for warranty claims.
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