ReSound Key 377 NP BTE Hearing Aids

ReSound Key 377 NP BTE is designed to provide clear, natural hearing for individuals with mild to severe hearing loss. Built on ReSound's Organic Hearing™ philosophy, it combines advanced sound processing with dependable wireless connectivity to help users enjoy conversations and everyday listening with greater confidence.

Equipped with 8 intelligent sound-processing channels, the Key 377 NP BTE automatically adapts to changing listening environments, enhancing speech understanding while reducing unwanted background noise. Technologies including Natural Directionality II, DFS Ultra II feedback cancellation, Noise Tracker II, Wind Guard, and Synchronized Soft Switching work together to provide comfortable hearing in both quiet and noisy situations.

Powered by a size 13 zinc-air battery, the hearing aid offers dependable multi-day performance with simple battery replacement. Its Normal Power BTE design supports hearing losses from 20–100 dB, providing comfortable amplification and all-day wearing comfort.

Bluetooth® Low Energy connectivity enables direct streaming of phone calls, music, television audio, and compatible wireless accessories from supported iPhone® and Android™ devices. Users can personalize hearing settings, adjust volume, switch listening programs, and receive remote hearing care through the ReSound Smart 3D™ App.

Designed with IP68-rated durability, Telecoil support, Direct Audio Input (DAI), and advanced feedback management, the ReSound Key 377 NP BTE provides dependable hearing performance for active everyday lifestyles.