Normal working conditions:
a) Ambient temperature 5℃～40℃;
b) Relative humidity ≤80%;
c) Atmospheric pressure 86kPa～106kPa;
d) Power supply voltage d.c.1.4V, with relative error of +5% and -10%.
Appearance and structure:
1. The appearance of the instrument should be correct, the color should be uniform, and the surface should be free of burrs, flashes, dents, scratches and other defects.
2. The text and symbols of the instrument should be clear, accurate, and firm; the direction of volume adjustment should be visually indicated by text or quantity; the battery polarity should be marked accordingly.
3. All parts of the instrument should be fully assembled, fixed and reliable, and all adjustment buttons and switches should be flexible and effective.
Product information:
Product Weight: 10g
Product Size:2.3*1.3*1.9cm
Package: Paper+Plastic Box
Package Size:11.1*8.4*3.3cm
Package Includes:
1* Hearing Amplifier
1* Shockproof Case
3* Earpiece (small, medium, large)
1* Cleaning Brush
1* Power Adapter
1* USB Cable
1* User Manual
Features:
1.Rechargeable, no need to change batteries
2.Suitable for the elderly hearing loss
3.Easy to operate, easy to use
4.Adjustable volume, which can be adjusted according to different occasions
5.Separate wire and headphone, more convenient and safe
6.The Walkman design makes it easy to carry and fits easily into your pocket or handbag
7.Full use of the ear structure to design the appearance of the hearing aid, which makes it perfectly fit wearers ears for a comfortable wear.
8.Helps to amplify sound with low background noise, you can discover the pleasure of gathering with friends and family, feeling more confident at work and enjoying movies, music and TV programs.
9.You can hear clear and natural sound, no embarrassing, no shame when seeing and visiting your relatives, friends.
10.Simple to use, no complicated program and operation, specially designed for the elder.
11.Three times can be standby for a month, which is super power efficient.
12.A bone conduction headphones with two earphones.
Specification:
1) Item Type: Bone Conduction Headphones
2) Color: Black
3) Maximum level: <129dB+3dB
4) Output sound pressure: 120dB ?+ 4dB
5) Full sound gain: 40dB + 5 dB
6) Frequency response range: 450Hz-3000Hz
7) Total harmonic distortion: <10%
8) Equivalent input noise level: <32 dB
9) Charging time:6-10h
10) Continuous working time: 12-18h
11) Function: Sound Enhancement, Noise Sound Blocking
12) Adapt to the crowd: Mild hearing loss group
Package List:
1 * Amplifier
1 * Headset
2 * Pairs of Earplugs ( Different Size )
1 * Charging Line
1 * Instructions
1 * Storage Box
Note:
If the squeak is happening, please switch off the headphones first, then adjust the both volume to minimum, switch on the headphone again, and adjust the volume higher to appropriate again.
