DX400 Rechargeable Hearing Amplifiers - low cost hearing ears assist senior Amplifier - Pair - FREE 2X replaceable battery modules

【4 removable rechargeable battery modules】 【Ready-to-wear】+【Sound Booster Kit】 【30-Day Moneyback Guarantee】 【1-Year Manufacturer Warranty】 【Life-time Support 24/7】 100% Digital processor 12 Band digital sound processing 12 Digital Volume Levels - Rocker Switch for Easily Changing between Volume Levels and Preset Configurations 【What's Included】? Pair Of Rechargeable BTE kit 4 removeable batteries modules (2 installed + 2 backup) Quick Start Kit: Comfortable tubes and domes, cleaning brushes and tools, and a water resistant carrying case. Sound Booster Kit Dual Charger: Dual charging base with built-in overcharging protection circuit. Quick full charging in 3 hours (two devices) Cary Case Lifetime Support