Thank you for viewing! ・Brand new, unused item ・Instant purchase OK, silent purchase OK Reference price: 8,999 yen 【How to Use】 1. The hearing aid automatically turns on about 5 seconds after being taken out of the charging case. When returned to the charging case, it automatically turns off and charges. The orange indicator light will illuminate, confirming that charging is in progress. 2. If you need to manually turn the power on/off, press and hold the power button for 3 seconds. 3. After turning on the power, briefly press the button to adjust the volume. The levels cycle from 1 to 4. 4. Charge the charging case immediately when its battery runs out. a. When the charging case has sufficient battery: Place the hearing aid in the charging case, and the orange indicator light on the hearing aid will illuminate, automatically turning it off and charging. The orange indicator light will illuminate, confirming that charging is in progress. b. When the charging case's battery is low: Press and hold the button for 3 seconds to manually turn off the power. If you put the hearing aid in the charging case without turning it off, feedback will occur from the product. Feedback will occur if you put the hearing aid in a confined space without turning it off. When charging the hearing aid by placing it in the charging case, if the charging case's battery runs out, the hearing aid will turn on and feedback will occur. In this case, press and hold the hearing aid button for 3 seconds to turn off the power. 5. If there is a charging malfunction, use alcohol to wipe away any dirt on the charging contacts and pins.