Rechargeable Digital Invisible Hearing Aids with In-Ear Sound Amplification
£52.67
Sound gain: ≥30dB±5dB. Input Noise: ≤28dB. Max gain≤41dB. Max sound output:111±5dB. 1 x USB charging cable. Inout noise≤32dB. Max sound output≤115±4dB. The recharging box with power capacity LED display.
