CASCHO BX17
CASCHO BX17 Wireless Earbuds User Manual
Model: BX17 | Brand: CASCHO
Introduction
Thank you for choosing the CASCHO BX17 Wireless Earbuds. These earbuds are designed to provide a superior audio experience with advanced features such as Bluetooth 5.3 connectivity, extended playtime, and a comfortable, secure fit. This manual will guide you through the setup, operation, and maintenance of your new earbuds.
Product Overview
The CASCHO BX17 Wireless Earbuds feature a rose gold finish, over-ear hooks for secure fit, and a digital display charging case. They are equipped with 14.5mm graphene drivers for rich audio and built-in microphones for clear calls.

Image: The CASCHO BX17 Wireless Earbuds in their charging case, showcasing the rose gold color and digital display.
What's in the Box
- CASCHO BX17 Wireless Earbuds (Left and Right)
- Charging Case with Digital Display
- USB-C Charging Cable
- Multiple Sizes of Eartips (S, M, L)
- User Manual
Setup
1. Charging Your Earbuds and Case
Before first use, fully charge both the earbuds and the charging case. The charging case has a 650mAh battery capacity, providing up to 5 additional charges for the earbuds.
- Place the earbuds into the charging case. Ensure the charging contacts align.
- Connect the USB-C charging cable to the charging port on the case and to a power source.
- The digital display on the charging case will show the battery percentage of the case, and individual indicators for the left and right earbuds. Each grid represents 25% of the power.
- Earbuds charging time: Approximately 1 hour.
- Charging case charging time: Approximately 2 hours.

Image: The charging case displaying battery levels for both the case and individual earbuds.

Image: Visual representation of 10 hours playtime per earbud and 60 hours total with the charging case.
2. Pairing with Your Device
The earbuds utilize advanced Bluetooth 5.3 technology for a fast and stable connection.
- One-Step Auto Connect: Open the lid of the charging case. The earbuds will automatically power on and enter pairing mode.
- On your device (smartphone, tablet, laptop), go to Bluetooth settings and turn on Bluetooth.
- Search for available devices and select "BX17" from the list.
- Once connected, you will hear a confirmation tone, and the earbuds will be ready for use.
- To disconnect, simply place the earbuds back into the charging case and close the lid.

Image: A smartphone screen showing "BX17" connected in Bluetooth settings, next to the open charging case with earbuds.
3. Secure and Comfortable Fit
The BX17 earbuds are designed with soft silicone over-ear earhooks and a non-slip design to ensure a stable and comfortable fit, even during strenuous activities.
- Choose the correct size of eartips (S, M, L) for optimal comfort and sound isolation.
- Gently place the earbud into your ear canal and adjust the over-ear hook to fit snugly around your ear.
- The IPX7 waterproof rating makes them resistant to sweat and rain, ideal for workouts.

Image: A person wearing the earbuds, demonstrating the secure over-ear fit, with icons indicating IPX7, flexible design, and eartip sizes.

Image: Detailed view of the ergonomic design of the earbuds, highlighting the comfortable fit and IPX7 waterproof feature.
Operating Instructions
1. Basic Controls
The earbuds feature multi-function buttons for easy control of music playback and calls.

Image: Diagram illustrating the various button controls for music, calls, and voice assistant activation.
| Function | Action |
|---|---|
| Play/Pause Music | Click Once (Either Earbud) |
| Next Song | Hold Right Earbud for 2 seconds |
| Previous Song | Hold Left Earbud for 2 seconds |
| Volume Up | Click Right Earbud Once |
| Volume Down | Click Left Earbud Once |
| Answer/End Call | Click Once (Either Earbud) |
| Reject Call | Hold for 2 seconds (Either Earbud) |
| Activate Voice Assistant (Siri) | Hold for 2 seconds (Either Earbud) |
| Power On/Off | Hold for 5 seconds (Either Earbud) |
2. Audio Features
Experience high-fidelity audio with deep bass and clear calls.
- High-fidelity Audio: Equipped with 14.5mm graphene diaphragm drivers, the earbuds deliver strong bass and clear mid-to-high frequencies.
- Superior Call Quality: Built-in high-quality microphones with CVC 8.0 + ENC (Environmental Noise Cancellation) technology reduce ambient noise, ensuring crystal clear calls.

Image: An exploded view of the 14.5mm audio driver, illustrating the bass enhancement.

Image: A graphic showing how CVC 8.0 + ENC technology with 4 microphones filters noise for clear calls.
3. Stereo/Mono Mode
The earbuds can seamlessly switch between Stereo Mode (using both earbuds) and Mono Mode (using a single earbud).
- To use in Mono Mode, simply take one earbud out of the case. The other earbud can remain in the case or be used by another person.
- To switch back to Stereo Mode, take the second earbud out of the case. It will automatically connect to the first earbud.
Maintenance
Proper maintenance ensures the longevity and optimal performance of your earbuds.
Cleaning the Earbuds and Charging Case
- Charging Contacts: If earbuds are not charging, use a cotton swab lightly dampened with alcohol to clean the metal charging contacts on both the earbuds and inside the charging case. Ensure they are dry before placing earbuds back in.
- Eartips and Mesh: Regularly remove the silicone eartips and clean them with water and mild soap. Clean the earbud mesh with a dry cotton swab or a soft brush to remove earwax or debris.
- General Cleaning: Wipe the earbuds and charging case with a soft, dry cloth. Avoid using harsh chemicals or abrasive materials.

Image: Visual guide for cleaning the charging contacts and the mesh of the earbuds.
Troubleshooting
If you encounter any issues with your CASCHO BX17 Wireless Earbuds, please refer to the following common solutions:
| Problem | Solution |
|---|---|
| Earbuds not charging | Clean the charging contacts on both the earbuds and inside the charging case with alcohol. Ensure earbuds are properly seated in the case. |
| Poor sound quality or low volume | Ensure you have selected the correct size of eartips for a proper seal. Clean the eartips and the mesh on the earbuds to remove any obstructions. |
| Earbuds not pairing or disconnecting frequently | Ensure the earbuds are fully charged. Turn off and on your device's Bluetooth. Try forgetting "BX17" in your device's Bluetooth settings and re-pairing. Ensure no other devices are interfering with the Bluetooth signal. |
| Only one earbud working | Place both earbuds back into the charging case, close the lid, wait a few seconds, then open the lid and take them out together. This should re-sync them. |
| No sound from earbuds | Check the volume level on both your device and the earbuds. Ensure the earbuds are properly connected to your device. Try playing different audio sources. |
If the issue persists after trying these steps, please contact CASCHO customer support for further assistance.
Specifications
Detailed technical specifications for the CASCHO BX17 Wireless Earbuds:
| Feature | Detail |
|---|---|
| Model Name | BX17 |
| Connectivity Technology | Wireless |
| Wireless Communication Technology | Bluetooth |
| Bluetooth Version | 5.3 |
| Bluetooth Range | 10 Meters |
| Earbud Playtime (Single Charge) | 10 Hours |
| Total Playtime (with Charging Case) | Up to 60 Hours |
| Charging Case Battery Capacity | 650mAh |
| Earbud Charging Time | 1 Hour |
| Charging Case Charging Time | 2 Hours |
| Water Resistance Level | IPX7 Waterproof |
| Audio Driver Size | 14.5mm |
| Frequency Range | 20Hz - 20,000Hz |
| Control Type | Button Control (Volume, Track, Call, Voice Assistant) |
| Microphone | Built-in with CVC 8.0 + ENC |
| Ear Placement | In Ear with Over-Ear Hook |
| Item Weight | 80 Grams (approx. for product) |
| Product Dimensions | 3.15 x 2.17 x 1.18 inches |
| Compatible Devices | Smartphones, Tablets, Laptops (iOS, Android, Windows) |
Warranty and Support
CASCHO is committed to providing high-quality products and excellent customer service.
Warranty Information
- 2-Year Free Replacement: Your CASCHO BX17 Wireless Earbuds are covered by a 2-year free replacement warranty from the date of purchase.
- 30-Day No Excuses: Enjoy a 30-day return policy with no questions asked.
- Lifetime Support: CASCHO offers lifetime support and satisfactory solutions for any product quality issues or questions you may have.

Image: Visual summary of CASCHO's warranty and support, including 2-year warranty, 24-hour response, and 30-day return policy.
Customer Support
If you have any questions, concerns, or require assistance with your product, please contact us directly. We aim to provide a solution within 24 hours.
- Contact Method: Please refer to your order page to find the order number and contact the seller directly.
Official Product Videos
Watch these official videos from CASCHO for additional guidance and product demonstrations.
Video: "Comfortable Fit and Perfect Sound Sport Wireless Headphones" - This video demonstrates the comfortable fit and sound quality of the earbuds during sports activities.