EXTENDED USE - Enjoy 8-9 hours of power with iDSP receivers, and 6-8 hours with ListenPoint M1 Microphone, ensuring long-lasting performance for uninterrupted listening experiences. RAPID CHARGING - Fully recharge in just 2-2.5 hours with iDSP receivers, or 1-2 hours using ListenPoint M1, minimizing downtime and maximizing device readiness for any event. DURABLE DESIGN - Benefit from a robust Lithium-ion NP60 battery, engineered to endure 3,750-4,700 discharge cycles at 10% DoD, guaranteeing longevity and consistent power. VERSATILE COMPATIBILITY - Seamlessly integrates with LR-4200-072, LR-5200-072, LR-4200-IR, and LR-5200-IR models, offering a wide range of device support for your convenience.