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Description
- Convenient for watching movie, enjoying the drama, attending meeting, or having class, it could help you hear the sound clearly and loudly
- Left/Right ear adjustability. Adjust the tube to left or right, so that you can wear it in your left ear or right ear.
- High/Low frequency modes. Reduces unwanted background noise by adjusting focus using two different modes.
- In the low frequency, you will hear the sound very strongly and loudly. In the low frequency, you will hear the sound very deeply and quietly
- Delivery time 15-25 days.
used: the insufficiency In patients with hearing loss the hearing compensation function: suitable for the loss of hearing Material: ABS the Normal Operation: Room temperature 5? ~ 40? The relative humidity? 80% 86kPa air pressure ~ 106kPa 1.4V supply voltage of.c.,with a failure is relatively +5%, -10%. aid auditory appearance should be properly color must be uniform the surface does not have to be Burr, Flash, depression, the scratches and other defects. orientation and direction of the change of the volume should be expressed in words or the quantities, the polarity of the battery must be marked accordingly. auditory aid must be fully assembled parts, solid and reliable, the knob settings on the switch should be flexible and efficient.
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