JH-338 BTE USB Rechargeable Hearing Aid / Hearing Amplifier
Specification of JH-338 BTE USB Rechargeable Hearing Aid Hearing Amplifier
|Max Sound Output||128 ± 3dB||Noise EIN||<26dB|
|Sound Gain||95±3dB||Battery size||NI-MH rechargeable battery|
|Total Harmonic Wave Distortion||500Hz <= 3%||Working current||3.5mA|
|800Hz <= 5%|
|1600Hz <= 1%|
|Frequency Range||400-4200Hz||Working Time||16 hours|
|Dimension||40mm*13mm*10mm||Charging time||7 Hours|
Features of JH-338 BTE USB Rechargeable Hearing Aid Hearing Amplifier1. USB rechargeable hearing aid, 12-14 hours of continuous use with a full charge, environmental and energy-saving;
2. USB Interface charging basic, can contact the computer, laptop, tablet, power bank, adapter and so on. It is easy to find a powerful and easy to charge;
3. One machine in one basic for charging, only on/ off switch control JH-338 hearing aid, easy operation;
4. BTE style hearing aids, receiver outside the body, better sound quality;
5. MAX Sound Output design, this function will protect your ear from the damage of sound suddenly over-amplify;
6. Different sizes of ear tips supplied to ensure a good fit for users.
Precautions of JH-338 BTE USB Rechargeable Hearing Aid Hearing Amplifier1. Charging time: It will take around 11 hours for a finished battery to be fully recharged. It's strongly suggested to charge for 12 hours for the first time charging.
2. During the charging period, the indicator light in the adapter base is showing Redlight
3. After charging completed, the indicator light will turn to Greenlight.
4. Important to off the machine before you put on it to your ear.
5. To choose the right size of ear plugs will be more comfortable to the ear, and help a better sounds gain, and avoid any extra noise.
6. The switch should be turned to the off position when the apparatus is not in use. That will ensure longer battery life
Package Included1 Hearing Aid
3 Ear tips
1 USB Dock
1 Manual book
2 Cleaning tools