Mearsun CZ-B811 RIC Hearing Aids with Smart Display Case
Mearsun CZ-B811 rechargeable RIC hearing aids combine air conduction technology, app-guided sound customization, and a senior-friendly smart display charging case for comfortable everyday listening.
- App Hearing Tests – Use the Hearing Pro app to test your hearing and customize sound settings to your individual needs.
- Charging-Case Volume Control – Adjust each ear separately with easy-to-press case buttons instead of tiny hearing-aid controls.
- Senior-Friendly Smart Display – Easily check battery levels, volume, and time on the large charging-case screen.
- Bluetooth Calls & Music – Stream phone calls, music, and other audio from your paired smartphone.
- Four Listening Scenes – Choose General, Indoor, Outdoor, or Movie for different environments.
- Up to 15 Hours per Charge – Enjoy up to 15 hours in Hearing Mode, plus about three extra charges from the case.
- High-Gain Amplification – Powerful sound amplification designed for Mild, Moderate, and moderately severe Hearing Loss.
Free Shipping
100 Day Risk Free Trial
Lifetime Support
Shipping, Returns & Warranty
100-Day Risk-Free Trial
Try CZ-B811 for 100 days after delivery. If it’s not the right fit, contact us with your order number to arrange a return. Refunds will be issued after we receive the returned product.
1-Year Warranty & Lifetime Support
Your CZ-B811 includes a 1-year warranty covering manufacturing defects under normal use. Our support team is available for setup help and product assistance throughout your ownership.
Free Worldwide Shipping
Orders are processed within 48 hours. Delivery usually takes 10–15 days to the EU, around 15 days to the US, and 15–30 days to other regions. Tracking information will be provided after shipment.
Technical Specifications
Model: CZ-B811
Product Type: Rechargeable air conduction hearing aid
Wearing Style: Behind-the-ear with receiver wire and ear dome
Companion App: Hearing Pro
Control Methods: Hearing Pro app and charging-case buttons
Listening Scenes: General, Indoor, Outdoor, Movie
Volume Control: 5 levels, independently adjustable for each ear
Hearing Pro App Compatibility: iOS 13.0 or later; Android 8.0 or later
Bluetooth Connection Compatibility: iOS 10.0 or later; Android 6.0 or later
Hearing Mode Battery Life: Up to 15 hours
Bluetooth Audio Battery Life: Up to 11 hours
Charging Case Capacity: Approximately 3 additional full charges
Charging Case Recharge Time: Approximately 1.5 hours
Built-In Cleaning Cycle: Automatic 30-second cycle when the hearing aids are placed inside and the lid is closed
Charging Port: USB Type-C
Charging Input: DC 5V/1A
Battery life may vary based on volume settings, Bluetooth usage, and operating conditions.
Acoustic Specifications
Frequency Range: 200 Hz–7,000 Hz (minimum specified coverage)
Maximum Full-On Gain (FOG50): 60 ± 5 dB
HFA Full-On Gain (HFA FOG50): 55 ± 5 dB
Latency: ≤6 ms
What’s in the Box
- 1 × Left CZ-B811 hearing aid
- 1 × Right CZ-B811 hearing aid
- 1 × Smart display charging case with built-in cleaning function
- Ear domes in three sizes (Small, Medium, Large)
- 1 × Cleaning brush
Mearsun CZ-B811 RIC Hearing Aids with Smart Display Case
Comfortable & Discreet RIC Design
CZ-B811 RIC hearing aids use air conduction, with a small receiver inside the ear canal delivering amplified sound through a soft ear dome.
The compact housing rests comfortably behind the ear, connected by a slim receiver wire that follows the ear's natural contour. This low-profile design offers a discreet, less noticeable fit for comfortable everyday wear.
Personalize Your Sound
Watch how to connect CZ-B811, complete an in-app hearing test, apply sound settings, and switch between four listening scenes.
App Control & Personalized Sound Adjustment
Make sound adjustments based on your listening needs with the Hearing Pro app.
After connecting CZ-B811 to your smartphone, follow the guided hearing test for each ear. The app uses your test results to generate personalized sound settings that can be saved to your hearing aids.
You can also adjust left and right volume independently, making everyday sound adjustments more convenient.
Elderly-Friendly Smart Display Case
The CZ-B811 is designed with older adults in mind. Its elderly-friendly smart display case features a large, easy-to-read screen that shows battery levels, volume settings, and time at a glance.
Instead of relying on tiny buttons on the hearing aids, the CZ-B811 lets users adjust left and right volume directly on the charging case. This standout design makes everyday control easier, clearer, and more reassuring for seniors.
Four Listening Modes for Everyday Use
Choose from four listening scenes—General, Indoor, Outdoor, and Movie—to suit different everyday environments.
Switch between scenes in the Hearing Pro app or press and hold the “+” button on the charging case while Hearing Mode is active.
Whether you're at home, outdoors, or watching a movie, you can select a scene that suits your surroundings.
Everyday Features. A More Accessible Price.
One pair of hearing aids. One smart charging case. Everyday control at $549.99.
Some premium RIC hearing-aid packages are listed at $3,000–$5,000 per pair, with professional fitting and follow-up care included in some offers.
At just $549.99 for the complete set, Mearsun CZ-B811 delivers exceptional everyday value. It combines app-guided sound customization, Bluetooth calls and music, and rechargeable convenience with a senior-friendly smart display case that makes volume adjustments easier.
Enjoy practical hearing features and greater everyday convenience at a fraction of the price.
Automatic 30-Second Cleaning
Place your hearing aids in the charging case and close the lid to start the built-in 30-second cleaning cycle automatically.
The cycle makes daily maintenance more convenient. Continue to clean the ear domes and sound outlets regularly as directed in the user manual.
Three Ear-Dome Sizes for a Comfortable Fit
CZ-B811 includes small, medium, and large ear domes to help you find a comfortable fit.
Choosing the right ear dome size helps keep the device positioned securely while supporting comfortable everyday wear. The ear domes can also be removed for routine cleaning and replacement.
Find Your Hearing Level
Use this guide to understand your hearing level and see whether CZ-B811 may be suitable for your hearing support needs before ordering.
CZ-B811 is designed for users with mild, moderate, and moderately severe hearing loss who need additional sound support for everyday conversations and daily listening.
If you are unsure about your hearing level, consider consulting a hearing care professional for personalized advice.
💡Before first use, be sure to remove the clear protective film from the sound outlet to ensure optimal sound quality and wearing comfort.
Mearsun CZ-B811 FAQs
1. Is CZ-B811 a RIC hearing aid or an air conduction hearing aid?
CZ-B811 is both. It uses a Receiver-in-Canal (RIC) design and air conduction technology to deliver amplified sound.
The compact hearing aid body sits behind the ear, while a slim wire connects it to the receiver and soft ear dome inside the ear canal. This design provides a comfortable, discreet fit for everyday wear.
2. Can I use the CZ-B811 without the app?
Yes. You can use CZ-B811 for everyday hearing assistance and adjust left and right volume with the charging-case buttons.
The Hearing Pro app provides additional features, including guided hearing tests, personalized sound settings, and listening scene selection.
3. How can I adjust the CZ-B811 volume and settings?
Connect CZ-B811 to the Hearing Pro app and follow the guided hearing test for each ear. The app uses your results to generate personalized sound settings, which you can save to your hearing aids.
4.What listening scenes are available on CZ-B811?
CZ-B811 offers four listening scenes: General, Indoor, Outdoor, and Movie.
You can switch scenes through the Hearing Pro app or the charging-case controls. Bluetooth music playback and phone calls are separate audio functions.
5. How long does the CZ-B811 battery last?
CZ-B811 provides up to 15 hours of use in Hearing Mode and up to 11 hours of Bluetooth audio playback on a full charge.
The charging case provides approximately three additional charges. Battery performance may vary depending on volume level, settings, Bluetooth usage, and other conditions.
6. What information appears on the CZ-B811 charging-case display?
The smart display charging case shows important information without opening the app.
You can check the left and right hearing-aid battery levels, charging-case battery level, current left/right volume, and charging status directly from the case display.
7. How does the cleaning cycle work, and is the CZ-B811 waterproof?
Place both hearing aids inside the charging case and close the lid. The built-in 30-second cleaning cycle starts automatically.
Avoid exposing the hearing aids and charging case to water or excessive moisture. Regular cleaning of the ear domes and sound outlets is still recommended.