◆ After-Sales Service 

 ✔ Return it freely, no matter for what reason you don't like it within 30 days. 

 ✔ 2 Years Warranty. 

◆ Please Read the Instruction Manual Carefully Before You Use the Hearing Amplifier

◆ About the background noise 

 - Background noise is the electric current sound existing in all good machines.Generally, the higher the power, the greater the static sound. 

 - Adjust to Noisy Mode when start wearing, then turn up the sound gradually. Generally, You will get used to it after 2-3 weeks.

◆ About the squealing 

 - Squealing or whistling occurs when sound from the amplifier escapes your ear canal and is redirected to the microphone and gets re-amplified. 

 - Try and select suitable ear dome. Put the ear dome into the ear canal and make sure it fits snugly inside.

◆ Features 

1. Digital sound output, low distortion and low noise 

2. Suitable for moderate to severe hearing loss 

 3. Comfortable fit 

 4. Easy to use 

 5. Three programmed modes

◆ Technical Specification 

Sound Output: 125±3db 

Sound Gain: 63±4db 

 EQ Input noise: ≤20db 

 Frequency Range: 200Hz~4500Hz 

 Battery Size: A13

◆ Accessory List 

 1. Ear Plug in Four Sizes: Small, Medium, Large,XL 

 2. 2 Pieces Ear Tube 

 3. 1 Piece Hearing Amplifier 

 4. 1 Set Cleaning Tools 

 5. 2 Pieces A13 Cell Batteries 

 6. 1 Piece Manual

◆ Any question and problem about the hearing device, please feel free to contact us and you'll have our full attention!