● Product Name : Xingma Mini Hearing Aid XM-900A
● Product Code : SEL842
● Brand Name : Xingma
● Model Number : XM-900A
● Material: ABS
● Color: Beige
● Max sound output: 100±5dB
● Sound gain: ≥30dB
● Total harmonic wave distortion: ≤10%
● Input noise: ≤40dB
● Frequency range: 300~4500Hz
● Current: ≤4mA
● Voltage: DC 1.55V
● Battery: AG13/392A
Xingma Mini Hearing Aid XM-900A-- which can be hidden in the ear and invisible and its Classic appearance with very cheap price .It has very good market feedback. Design according to channel, comfortable earand you can adjust volume to the minimum level or switch off before wearing, to choose the right size of ear tips to avoid any extra noise.