
What K23 Bluetooth Hearing Aid Does for You
It helps with conversation, taking phone calls, music and more!
- It's great for chatting, answering calls, and listening to music, and more. Connect with phone call or laptop through universal wireless Bluetooth, it will automatically switch modes when you answer a call or start playing audio from your device.

Bluetooth Connection & Phone call and Audio
- Compatible with Android and iPhone
- The K23 hearing aids seamlessly connect to your phone via Bluetooth.
- Utilizing cutting-edge TWS technology to customize your hearing aid settings, handle phone calls, enjoy music.
- CIC Rechargeable OTC hearing aids use audio media and digital sound processing technology to deal with phone call , music,cell phone TV audio. No need to play outside and withoud disturbe others.

Retone Fit APP Control
- In order to better obtain clear hearing, the Retone Fit APP provides volume, program and other function adjustments to enable users to adapt to different scene needs when using hearing aids.

Easy to Operate
- "Tap Button: Easily switch between music, phone calls, or hearing aids.
- Long-Tap: Move to the next program; there are three programs available in a single cycle.
- Short-Tap: increase to higher volume, 6 levels volume adjustable and single-circle."

background noise reduction
- The noise reduction system adjusts the voice frequency up and down automatically. Reducing the volume of loud noise actually, users wearing hearing aids in noisy environments can engage in more comfortable conversations with others.

Advanced sound processing technology
- In order to adapt to different occasions and different people's sensitivity to sound, K23 hearing aids are equipped with 3 selectable programs and 6 adjustable levels of volume. Get a better hearing experience.

Rechargeable & Long Endurance
- Type-C fast charging could provide hearing aids with 22 hours all day, and 80 hours from battery charging case. The carry-on wireless charging case could charge your devices anytime and anywhere.

Function switching, battery life is different
- Different function switching, different battery life Continuous calling and listening to the music, the battery life is 3 to 4 hour,while hearing aid function only , no any other audio use, it can reach 20 hours. And It takes 6 hours to fully charged only.
Specifications
Model | K23 |
---|---|
Max Output (OSPL90) | 104+3dB |
Full-on Gain Value (HFA FOG@50 | 29±3dB |
Total harmonic Distortion | less than 3% |
Self-generated Noise Value | less than 30dB |
Frequency Response Bandwidth | 250Hz--5000Hz |
Bluetooth Standard | BT5.1 |
Bluetooth Profile | A2DP,AVRCP,HFP,SBC,AAC |
---|---|
Transmission Distance | 10 meters |
PEAK OSPL90 | 115 |
Average Gain | 29 |
Work time | 20H |
Charging time | 4H |
Release time | 2023 |

WHAT'S IN THE BOX
- Left and Right Ear Hearing Aids
- 1 Charging Box
- 1 Beautiful Gift Box
- 1 Charging Plug
- 1 Type-c USB Cable
- 3 Sizes of Ear Domes (12 in total )
- 1 Cleaning Brush & Replacement Tool Wax Guard(8 in total )
- 1 Warranty Card
- 1 Guick Guide
- 1 User Guide
- 1 Protective Bag