Mini Hearing Aids Rechargeable and Noise Reduction Sound Collector Invisible In-Ear Lightweight Sound Amplifier

Power mode: USB Whether it is patented Source: No Color: Black Red Blue, White Red Blue, Black Skin, White Skin Material Grade: Food Grade Built-in battery capacity: Other Model: ZF-M610 Rated power: 0.22W Whether it has a built-in battery: Yes Aliases: hearing aids Sound amplifiers Hearing aids Deaf people use headphones Sound receivers Optional Hotspot: Wireless Stealth Shell process: ABS Licensed private label: Yes Weight: 170g Battery life: more than 12 hours Rated voltage: 3.7V Hearing aid category: In-ear