Linner stands for a life well-heard. Linner, in the Audiology business since 2016, is differentiated from the rest of the OTC Hearing Aid market primarily through 3 main pillars: their intelligent, audio-optimized hardware, their interactive software which allows one to customize for their specific hearing needs, and their Audiologist-supported customer service, who can help customers optimize their hearing experience. Experience truly enhanced clarity and speech comprehension with the one-of-a-kind Linner Hearing App, state-of-the-art 18-channel Digital Sound Processor, and noise reduction with adaptive feedback control and more. What's more, these double as your high-end Bluetooth earbuds, so you can talk on the phone, listen to books or music and more with the same level of enhanced clarity. IP4 Water & Sweatproof (do not submerge). Hearing life again has never been simpler than with Linner Mars.