Thank you very much for viewing! This product is brand new and unused. Please let me know if you have any questions or requests in the comments! Hearing Amplifier [2025 New Design, Easy Operation, Automatic Power ON/OFF] 4-level Volume Adjustment, Voice Amplifier, Up to 20-30 Hours Continuous Use, 1200mAh Charging Case Adds 200 Hours of Charging, Ultra-Lightweight, Noise Reduction, Type-C Rechargeable, Remaining Battery Display, Compatible with Both Ears, Ergonomic Design, Comfortable Fit, Discreet In-Ear Design, Japanese Instruction Manual [Smart Automatic ON/OFF Function for Easy Operation] No complicated operations are required. This hearing amplifier automatically turns on 8 seconds after being taken out of the charging case and placed in the ear, and automatically turns off and starts charging when returned to the case. [One-Touch Volume Adjustment, Up to 35dB Amplification] This hearing amplifier is designed for easy operation, even for the elderly. You can adjust the volume in 4 levels by pressing the volume adjustment button, and you can check the current volume level by the number of beeps. We recommend starting with the minimum volume. [Please read before purchasing] Regarding the characteristics of the hearing amplifier, "selective amplification" is not possible, so not only conversational voices but also environmental sounds (vehicle noise/wind noise/everyday sounds, etc.) will be amplified. Please use it in a quiet room. [Amazing Long-Lasting Operation! Peace of Mind Even When You're Out and About] The hearing amplifier can be used continuously for 20-30 hours on a full charge, so you can use it all day long with peace of mind. The orange lamp lights up during charging and automatically turns off when fully charged, so you can see the charging status at a glance. Furthermore, the included 1200mAh large-capacity charging case can provide an additional 200 hours of charging! You don't have to worry about running out of battery when you're out and about. [Only 3.5g! Ultra-Lightweight Design] Achieved an ultra-lightweight design of only 3.5g, like a feather. Minimizes the burden on your ears even during long hours of wear. [Natural Fit for All-Day Comfort] This in-ear hearing amplifier is compact and natural in design, so it's hardly noticeable to those around you, and even first-time users can use it without hesitation. It achieves a comfortable fit that doesn't get in the way when used with glasses or a mask. Set Contents: Hearing amplifier body, charging case, 3 sizes of ear tips (S/M/L), cleaning brush, Japanese instruction manual, Type-C charging cable.