30 DAY GUARANTEE
You'll love your new TETRA Hearing™ devices or you'll get your money back. Try them for 30 days, risk free.
Moisture is the number one long-term enemy of hearing devices. Although TETRA devices are nano-coated for the highest water-resistance rating on the market, keeping them clean and dry between uses will extend their life and protect your ears from bacteria at the same time. For best results with our disposable battery devices, open the battery doors prior to placing them in the TETRA UV BLUE DriBox.
The TETRA UV BLUE DriBox cleans and dries using UV light and gentle heat: