Bone Conduction Clear Voice "Spring, Summer, Autumn, Winter" Hearing Amplifier Sold by France Bed from their "Reha Tech" brand for active seniors. Supports those who are starting to notice a decline in their hearing. It's a bone conduction type that transmits sound by vibrating the bones. Received on December 24, 2025. It's new and has not been taken out of the box. According to the description on the outside of the box, the following is an overview: 【Features】 1. A palm-sized voice amplifier designed with the image of Japan's four seasons (This product has the design in the photo.) 2. Bone conduction reduces the burden on the eardrum. 3. ON when gripped, OFF when released switch for an economical design that prevents forgetting to turn it off. Hold the switch while pressing it to your ear when you want to listen. 4. Environmentally friendly rechargeable. Bone conduction earphones are also included. 【Bone Conduction】 Unlike the air conduction that people usually hear, it allows you to recognize sound by sending vibrations directly to the auditory organs through the bones without vibrating the eardrum. 【Specifications】 Size: Width 47 x Height 111 x Thickness 28mm Weight: 70g (including battery) 【Set Contents】 Main unit, charging adapter, bone conduction earphones, strap, pocket holder, instruction manual Frequency characteristics: 200Hz～5.5KHz Maximum gain: 58dB ±5dB Battery charging time: Approximately 3.5 hours Continuous use: Approximately 40 hours Many photos have been attached. Please take a good look to avoid returns after opening. Thank you. We would appreciate it if those who have experience using this product would purchase it as a spare or replacement.