Youpin Zdeer Mini Hearing Aid Rechargeable In-Ear Sound Amplifiers Wireless Portable One-Click Ear Aids For The Elderly

Product Model: Upgraded Angel
Power on and off: 10 seconds after taking it out of the charging box, it will automatically turn on and put it into the box and turn it off automatically
Volume level: Short press to cycle 3 levels of volume mode
Gear memory function: automatically memorize the last volume gear
Charging time: about 2-3 hours
Life time: about 24 hours
Power supply times of the charging box: about 5 times
color: White
Registration certificate number: Fujian Machinery Note 20182460106
Users: Compensation for hearing loss caused by air supply
Production date: see packaging or label