Brand 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 volume" 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 "place-and-charge" design is perfect for the elderly who are not good at complex button operations.