17
3. Working environment
Working temperature: -10 60 Working humidity: 10% 90%～ ℃ ～
2 Receiver、
Working voltage ~3.7V (3.3 4.2V)
Dynamic 14~27mAworking current
Wired earphone input working current 5~12mA
Wired earphone signal input 0.1 1.0V~
Working current of MIC input 4~8mA
Max. Gain of MIC signal input 50 2dB (at 1KHz)±
Receiv frequency 2.4GHz ISM
ing
Distortion 1%≤
S
/
N ratio 75dB≥
Maximum output power 30~35mW
Li-ion battery charging time 3.5~4 hours
Modulation method GFSK
Bluetooth V4.0 Class II
Auto power-off current 20 Aµ≤
Auto power-off time
Sensitivity of built-in MIC 34.5 1.5dB- ±
Sensitivity of external MIC 50 2dB- ±
Frequency response 20Hz~20KHz
Max. output sound pressure level 123 3dB SPL±
Receiving range m (without obstacles)15
15 hours for TV hearing aid
function, 36 hours for regular
hearing aid function.
5mins (after the receiver is in the
standby status.)
Working time when Li-ion battery
is full
02
2. Brief introduction
3. Main functions
1. What is a TV hearing aid
The TV hearing aid is specially designed for hearing disable people to listen to
TV, mobile phone (or other audio devices).
It can help to listen to TV, sound clearly
while other hearing aids can't do it. In the market, hearing disable people can
only find some normal wireless headphones for watching TV or listening to
, the worst thing is that it will make the hearing ability worse and
worse by only adjust the volume louder for a long time. Our TV hearing aid can
solve above problems.
Besides the strong wireless TV listening function, it is a perfect hearing aid and
a wired hearing improving headphone. You can use it with a normal telephone,
a mobile phone, and even listen to music, listen to radio, etc.
Not only TV hearing aid, but also
mobile phone call aid. mobile phone
mobile phone
A. Product instruction
(1) Wireless TV hearing aid: (r
efer to article 1 of P9 )
With the product, the hearing impaired person can enjoy TV programs
comfortably and clearly, by his/her special tone, right & left volume.
(2). One button switching between TV hearing aid and call hearing aid:
(please refer to Article 1(4) of P10 )
Press the CH/MIC button on the receiver, the TV signal received wirelessly will
be cut off. The user will answer the phone by bluetooth. When the talk is over,
JH-8013A/B & apply bluetooth technology. Ensure the high
quality stereo signal being transmitted and received. Bluetooth CSR V2.1+EDR
A2DP for the transmitter, CSR V4.0 for the receiver.
It's convenient for the
user watching TV while don’t worry missing phone call. Stereo/mono switch
function brings people with different hearing satisfaction.
One transmitter can work
with two receivers, one receiver can work with the transmitter and a mobile
phone with the bluetooth function at the same time.
JH-8014A/B
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