1. Material: ABS 2. Weight: 150g 3. Function: hearing aid 4. Power supply mode: USB charging/built-in lithium battery 5. Battery capacity: charging compartment: 300mah, hearing aid 50mah 6. Frequency response range: 300-3500Hz 7. Charging time: 3 hours 8. Features: compact and portable, clear sound quality, intelligent noise reduction, magnetic charging, long-lasting battery life, one-key operation, comfortable to the ear 9. High frequency average: 103 Features: 1. The appearance is ergonomic 2. Into the ear from a scientific perspective 3. Hidden into the ear, can fit the contour of the ear comfortably 4. Not easy to drop when worn
1. 材质:ABS 2. 重量:150g 3. 功能:助听器 4. 供电方式:USB充电/内置锂电池 5. 电池容量:充电仓:300mah,助听器50mah 6. 频响范围:300-3500Hz 7. 充电时间:3小时 8. 特点:小巧便携,音质清晰,智能降噪,磁吸充电,持久续航,一键操作,贴耳舒适 9. 高频均值:103 特点: 1. 外观符合人体工学 2. 以科学角度入耳 3. 隐匿入耳,能舒适贴合耳部轮廓 4. 佩戴不易掉落
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