Joom: This product is a medical device which must be used only as intended and in accordance with the instructions for use.
This device is not a substitute for professional medical advice, diagnosis, or treatment. Consult a qualified healthcare professional before use if in doubt. The seller/distributor is not liable for any damages arising from misuse, unauthorized modification, or use beyond stated indications.
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Intended Use：
Thank you for the purchase of our hearing aid. If you find it's difficult to hearing very well from others, a hearing aid can help you regain your hearing so you can live the life you're used to.
Wearing a hearing aid means rediscovering the pleasure of gathering with friends and family. feeling more confident at work, and enjoying movies, music and TV programs.
Product Features:
1. Fast Charging
2. Volume of Fourth Gear
3. Medical Silicone Catheter: Applies to both ears
4. Double noise reduction: automatic filtering of external noise
5. No delay, Caton upgrade: achieve synchronous sound transmission
6. One button adaptive system: Adapt to different areas of listening
Specification:
1. Charger: USB 5V/ 50mA
2. Battery: Lithium batery, 55mAh
3. Size: 50*48*8.6mm
4. Weight: About 9g
5. Max sound output: 130±5dB
6. Sound gain: 38dB土5dB
7. Total harmonic wave distortion: ≤5%
8. Frequency range: 300Hz~4000Hz
9. Input noise: ≤ 30dB
10. Voltage: D.C.3.7V
11. Current: ≤4mA
How to Use the Hearing Aid：
1.Insert the earplug into the earphone base,connect the 2 pin plug with earphone base.
2.Dial the \OFF-N-H\ switch to \OFF\ or adjust volume to\1\, otherwise the instand big sound will make you uncomfortable.
3.Hang the hearing aid behind your ear, put the earplug tightly in your ear.
4.Dial the\OFF-N-H\ switch to \N\ and adjust the volume to get the clear sound.
5.When in noise places, you can dial the \OFF-N-H\ switch to \H\ to reduce the noise of low frequency
How to Charge the Hearing Aid：
1.When the sound of the hearing aid is very small and the hearing aid does not work, the hearing aid might with low battery, please charge the hearing aid in time.
2.Turn off the hearing aid when charge, and insert one end of the USB 5V/50mA charger into the hearing aid.
3.Plug the charger into power outlet.
4. The new hearing aid should be charged for 4 hours for first few times you use, for second time it's better charge after running out of the battery, so necessary after three consecutive cycles, the battery is easy to achieve the best condition.
5. Built in 55mA Lithium battery, it can work continuously for more than 30 hours aftcr it is full charged.
(Caution: Plecase be sure to make our matching battery and charger, don't disassemble and refit battery)
Things to Remember(Cautions)：
1.If you feel whistling sound, please make sure if you put the earplug tightly, or if you use a appropriate size earplug。
2.Please don't use the hearing aid at a high volume for a long time,it will damage your hearing.
3. Please maintain the product all the time in order to avoid the earplug and microphone opening being blocked by foreign objects.
4. Please don't use when showering,swimming,raining or wet environment, please don't expose the hearing aid under sunshine, get close to a stove or other heat sources.
5.Please protect the hearing aid carefully and avoid dropping it on the floor.
6.Keep the hearing aid away from the children.
7.The apparatus shall not be exposed to dripping or splashing.
8.The plug of adaptor is used as the disconnect device,the disconnect device shall remain readily operable.
9.Attention should be drawn to the environmental aspects of battery disposal.
10.A warning that batteries(battery pack or batteries installed) shall not be exposed to excessive heat such as sunshine,fire or the like.
Packing List:
1x Hearing Aid
4x Earbuds
1x Brush
1x Data Line
1x Packing Box
1x Storage Box
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