HTE Survival Compass: Multipurpose Marching Lensatic Compass for Outdoor, Camping and Hiking (Green) B01B58YQD2
Digital Hearing Amplifier, full Digital Circuitry, Low Power Consumption, Noise Reduction, feedback Cancellation, Digital Volume Control Left/Right Ear Adjustability DC: 1.5 V $99.99 B01C4NMGD4