| Product name | Bluetooth digital hearing aid G402 BT |
| Housing Design | Open-fit Dome Wireless Bluetooth BTE |
| Processing | Digital 4ch WDRC |
| Volume control | Rocker-type II |
| Peak OSPL90(dB SPL) | 110dB |
| OSPL90-HFA(dB SPL) | 105dB |
| Peak Gain(dB) | 40dB |
| HFA/FOG(dB) | 32dB |
| Reference test gain(dB) | 35dB |
| Frequency Range(Hz) | 250-5500Hz |
| EQ input noise(dB) | 20dB |
| Harmonic Distortion | 2.0% @500Hz |
| 2.0% @800Hz | |
| 2.0% @1600Hz | |
| Battery Size | 312A |
| Battery Current(mA) | 0.9mA |
| Battery life | 80-100hours with one unit A312 Battery |
| Packing details | 1x digital hearing aid |
| 2x L+m+s different size ear dome | |
| 2x Ear tube for right ear and left ear | |
| 1x Cleaning Brush | |
| 1x User manual | |
| Certificates | FDA Approved |
| Warranty | 1 Year |
7-Day refund policy You have our products refund with 7-days service for quality problem after you receive the parcel. Please be note : 1.Please make sure that the products do not work with quality problem,not the using fault. 2.The package should be in good condition and do not affect the 2nd sell to other customer. 3. We will refund the products prices after confirm the products with quality problem,the freight cost not included. 4.The buyer should send back products by freight prepaid. 5. Refund money will be released when get the shipping back proof bill. We can provide products replacement if you not need the prices refund. 1-Year Warranty Policy Our products have the 1 Year warranty and after-service. Within the one year period from you received the parcel,we provide you free repair service if products have quality problem and can not work well. Please note,the shipping freight should be prepaid when you send products back for repair,and we will send you the parcel by shipping freight prepaid too after our repair.
If you suspect a malfunction, please do some examination, a simple operating error may be the cause of the problem.If the problem DO NOT be solved, consult your supplier or any service person. 【1】If No sound or sound is distorted: Check if the battery power is low or not(rechargeable battery device) Recharge the device to power full(rechargeable battery device) -Check connection between earphones and main unit. -Raise the sound volume. 【2】Howling sound is heard: -Make sure earphone is inserted well and close to ear canal. -Using the volume dial to lower the sound level. -Change to a different size of earphone dome. If you the earphone tips become dirty,remove them from the hearing device body and clean it. -When earphone-microphones are dirty,wipe with a dry,soft cloth.Take care not to blow into the speaker unit. -If a hand is passed over the microphone,feedback sound(howling)may be audible.In this case,remove your hand from the region of the microphone,or lower the volume.
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