New, unused item. Amazon selling price: ¥14,800 Brand: GREEN HIVE Color: Beige Battery weight: 7.1 grams Number of batteries: 3 Lithium Ion batteries (included) Battery type: Lithium Ion [Easy one-touch operation for the elderly] Hearing aid with simple operation for the elderly! You can adjust the volume in 5 steps by simply touching the volume control button, and easily set the appropriate volume according to the actual situation. Eliminate stress from everyday worries such as: "I can't hear the TV well" or "I can't hear my family's voices!" [Automatic power ON/OFF! No troublesome operations required] Ultra-smart design with 6-second automatic start-up and immediate charging when stored. The hearing aid automatically turns on 6 seconds after being taken out of the charging case, and automatically turns off and starts charging when returned to the charging case after use. This "just place and charge" design is perfect for the elderly who are not good at complicated button operations.