Features:

100% brand new sound amplifier behind the ear
Super mini size and light weight, not easily to be seen
Adjust volume to the minimum before wearing
Choose an earplug of slightly bigger size to avoid whistler
Increase volume gradually to avoid sudden increase in sound
Amplify sounds up to 40 decibels
Weight less than 10 grams
6 volume levels
Adjust to either ear
Battery Type: 675A button cell battery (included 1pcs ,due to post mail donot allow ship too more battery ,we will ship 1pcs battery for your reference.)

Specifications:

Color: Beige
Original box: No
Aamplifier Size: 55*55*10mm
Item size:83*82*28mm
Net weight: 57g
Package weight: 67g

Packing content:

100% Brand New

1 x Ear sound amplifier

3 x Earplug of different siz

 1 x Instruction manual