Ear Hearing Aid Mini Device Behind Ear High Low Tone Sound Elderly Voice Case Specification: This is a Best Sound Amplifier Adjustable Tone Hearing Aids Aid, Super mini size and light weight, not easily to be seen. 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