mixi inc. BTH-101-1 Manuale Utente

When a call is coming, you can answer it with the ways as 

follows:

Note: The two Phones mentioned follows will be called Phone A and B.

Shortly press MFB once to answer another call and hold on 
the current one.
After the above operation “2” settled, shortly press MFB to 
transfer one call to another.

In ON MODE (except call state), press and hold MFB for 3 seconds, 

until you hear “Di Di Power off”, the indicator light turns  red for 1  

second, then the headset will enter into OFF MODE. 

Note: 

Headset  isn’t  connected  with  any  devices  within  5  minutes,  it  will 

automatically turn off.

Note: 

All the above operations have to respect the precondition that Phone 

supports  Bluetooth  hands  free  profile  V1.5  and  Phones  are  running 

under call holding function(Network service) from telecom.

Status No. 

Status 

Pairing Mode 

Not Connected

 Standby Mode

 Charging Mode 

Low Voltage State 

 Call 

Mode 

Headset Performance

Method 1: 
Method 2:

Press MFB once. 

Answer the call with your phone.

Bluetooth Specification
Bluetooth Profiles Supported

Transmission Power
Operation Range
Frequency Range
Battery

Charging Voltage
Charging Time
Music Playing Time*
Talk Time *
Standby Time *
Driver
Sensitivity of Driver
Impedance of Driver
Frequency Range of Driver

Dimensions of Control and

Battery Box(mm):

Dimensions of PCB Box(mm):
Weight

V4.2
HSP, HFP, A2DP, AVRCP

Audio Decoding Profiles Supported

Noise Cancellation Version                 CVC 6.0

APTX, APTX-LL, SBC, AAC

Class 2
Up to 10 Meters
2.402-2.480GHz 
Built-in Rechargeable
3.7V /60mAH Lithium Battery
DC 5V±0.25V
About 2 hours
Up to 3 hours
Up to 3.5 hours
Up to 108 hours
φ10MM
109±3dB/1kHz
16Ω±15%
20Hz~20kHz

Dimensions of Earbuds

L29×W16×H16
L54.5×W11×H7
L40.6×W11.5×H8.9
About 24 g

*The time mentioned above may vary due to user's operation mode and 

device settings.

Prior to using the headset for the first time or no use for a long 
time, please fully charge the battery.
Approximately 2 hours are required to fully charge the headset.
The indicator light turns red while being charged, and will turn 
off automatically after being fully charged.
When the headset is running out of battery, the indicator light 
will flash red (the headset will switch off automatically when the 
battery is drained). Please charge the headset as above steps 
in time to prolong the battery's useful life (Charging indication 
will be delayed for a few minutes if the headset has not been 
used for a long time or the battery is drained).

2.
3.

4.

1.

Check the charging device is suit to the headset or not.

Use only the supplied charger to charge the headset, if use 

other  device  may  violate  the  validation  or  the  maintenance 

article of this product and may cause danger. 

Do not attempt to force open the built-in battery as this could 

damage the headset.

Note 1:

Note 2:

Note 3:

Note 4:

Note 5:

Note 6:

Ensure  the  headset  is  off,  and  the  distance  between  your 

headset and phone is within 1 meter to activate the Bluetooth 

function on the phone. 

Search Bluetooth devices (see the user guide of your phone for 

instructions).

Select headset “RATEL Ear BT” from the devices list of the phone.

Select  headset  “RATEL Ear BT”(If  the  version  of  the  phone  is  or 

under 2.0, you should input pairing code “0000”, and confirm). 

Ensure  there  is  no  obstruction  between  your  headset  and 

phone and within effective distance, you can use the headset 

freely.
Under  the  circumstance  of  power  off,  once  you  turn  on  the 

headset again, it will connect the paired phone automatically 

within operation range. (See the user guide of your phone for 

instructions.)

1.

2.

3.

4.

5.

6.

7.

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Press and hold MFB for 2 seconds to reject the call.

When you are answering a call, there is another call coming:

You  can  end  the  call  you  are  answering  with  the  ways  as 
follows:

Bluetooth  headset  should  be  used  with  the  compatible  devices 
which  support  Bluetooth  wireless  technology. This  allows  you  to 
make two calls and enjoy the music streaming at any time freely.
Please read this user manual carefully before using the headset, 
and also read your device’s user manual regarding the Bluetooth 
function,  and  pay  attention  to  those  important  safety  and 
maintenance information.
Please keep the headset away from children.

(1)Drivers
(2)Volume Key- (V-) 
(3)Multifunction Button (MFB) 

(4)Volume Key+ (V+) 
(5)Type C Charging Socket  

(7)Indicator Light of Charging

(6)Micphone/Indicator Light of Power on/off

(8)Charging Pin

A fully charged headset will loose its power automatically 

if left unused. It is recommended to charge the headset 

each three months. 

Do not leave the headset in a too hot or too cold condition 

(best  between  -10℃  and  50℃)  which  may  affect  the 

headset's operations although it is fully charged.

Do not dispose of the headset into fire or water.

 

Method 1: 
Method 2:

Press MFB once. 

End the call with your phone.

1.

2.

3.

4.

When the headset is in the mode of being searched, the 

indicator light flashses red and blue alternately and the

speaker prompts “Bluetooth Pairing”.
When the headset is not connected with the device, 

blue light will flash once each 2 seconds.
When the headset is connected with the device but no 

any other operations, the blue light will flash once each 

5 seconds.

When the battery's voltage is below than 3.3V, the 

indicator light flashes red,  and the speaker prompts 

“Battery Level Low” every minute.

Power off 

Automatically 

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Disconnected Mode

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Pairing Failed Mode

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If the pairing cannot be completed within 5 minutes after 

the Pairing Mode has been activated, the headset will 

power off automatically, the speaker prompts "Bluetooth 

Pairing Failed" - "DiDi" - "Power off".

When the headset is in standby mode and it is moved 

out the operation range of the phone, the headset will 

be disconnected, the blue light will flash once each 5 

seconds and the speaker prompts "DuDu" (The speaker 

prompts "DuDu" each 15 seconds).
When the headset is disconnected by phone, the blue 

light will flash once each 2 seconds and the speaker 

prompts "Bluetooth Disconnected".
When the headset pairing failed, the speaker prompts 

"Bluetooth Pairing Failed".

When the headset is disconnected in Standby Mode, it 

will power off automatically after 5 minutes and the 

speaker prompts "DiDi" - "Power off".

The indicator light turns red while being charged, and 

will turn off automatically after being fully charged.

When in a call, the indicator light flashes blue once each 

10 seconds.

Press and hold MFB for 2 seconds until the indicator light flashes 

red and blue alternately and could hear “Bluetooth Pairing” as 

PAIRING MODE. 

After the above operation “2” settled, press and hold MFB 

for 2 seconds to end the current calling and shortly press 

MFB to end another one.

During a call, press and hold “V+” for 3 seconds, the headset  

will  enter into MUTE MODE. In MUTE MODE, the speaker 

will sound “Du” twice every 10 seconds, you could cancel the 

MUTE MODE if press and hold “V+” for 3 seconds again.

In OFF MODE, press and hold MFB for 2 seconds, until you hear 

“Di Di Di Power on”, the indicator light turns blue for 1 second, 

then  the headset will enter into ON MODE. The headset will be 

connected automatically(when  the  headset  isn’t  connect  to  any 

other  Bluetooth devices and the pairing list is empty, the headset 

will enter into pairing mode automatically).

Press and hold MFB for 2 seconds to end the current call 

and answer another one.

During a call, press and hold “V-“ for 2 seconds and you will   
hear “Du” prompt voice and can shift the call between cellphone  

and headset.

Later you could hear “Bluetooth Paired” and then “Bluetooth 

Connected”. (If the pairing cannot be completed within 5 minutes 

after the PAIRING MODE has been activated, the headset will 

power off. Please repeat above steps to do the pairing again).   

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