Btech C 100 User Manual

Welcome to use the bluetooth headset designed by NAYIN Science and Technology Co., Ltd.. It adopts bluetooth
version 4.1 and acoustic echo cancellers to provide you with high-quality music. Before using this product, please
read this Manual in detail.

Operation Voice prompt
Function
Starting up Long press the multifunction key for

Starting up

3s when the device is off
Shutdown Long press the multifunction key for

Shutdown

3.5s when the device is on
Access to pairing
mode
Access to pairing
mode

Long press the multifunction key for

6.5s when the device is off

Short press the multifunction key once
at incoming call

Hanging up Short press the multifunction key once

In pairing mode

Caller ID Read out phone number

Call end

at call

Reject a call Long press the multifunction key for

Reject a call

2s at incoming call
Re-dial the last
number
Interrupt dialing

Double-click the multifunction key

once at stand by status

Automatic redial

Short press the multifunction key once

at dialing
Voice dialing Long press the multifunction key for

2s at stand by status
Microphone mute
switch

Double-click the multifunction key

once at call

Turn on/off silent mode

Pause, play Short press the multifunction key
Volume + and volume

-/PREV/NEXT

Short press the volume + - key (long

press PREV/NEXT)

Max. volume

Supplementary instruction

1. Photograph function: The headset can take photos by double clicking volume + while used on a mobile phone with
iPhone system or most Android systems (note: For some models of mobile phones, you need to set the volume + as
for photograph function in camera setting). If the mobile phone with Android system fails to take photos, please
download headset 360 APP software, install it in you phone and set volume + as for photograph function.

2. Keyboard input: To make the headset being capable of taking photos directly, set the headset as an HID
(man-machine interface) external device of the mobile phone. When you need to type in, please double click the
volume – to popup the soft keyboard of the mobile phone;

3. Voice prompt switch in both Chinese and English：In standby mode, at the same time holding down the volume +
and volume - button for 2 seconds, after hearing prompt release can switch in Chinese or English

4. headset MODE: The default mode of headset is headset + selfie and the keyboard symbol is shown on the mobile
phone. If the revision of the mobile phone is too low or old feature phones, you may fail to connect the headset.
Under such a circumstance, please press “volume +” and “volume –“ key simultaneously for 2s and loose after
hearing the prompt tone “DEE”. The device will be turnoff and re-enter pairing status and switch to single headset
mode and show the headset symbol on the mobile phone; if you need to switch to headset + selfie mode, please repeat
the step;

Micro USB charging port

1. charging time：1-，2 hours (fully charged) After charging the red light bright long, full of electricity to blue light
long on

2.Obtain the optimal performance after being fully charged

Volume button

1.Short press the volume + at a call or while listening to music, and then the volume of headset will be increased one
level. After it has been increased to the Max. volume, there will be a prompt tone of "Max. volume".

2.Long press volume - for 2s and loose it after hearing the prompt tone while listening to music, then it will turn to the
previous song automatically.

3.Short press the volume- at a call or while listening to music, and then the volume of headset will be decreased one
level. After it has been increased to the Min. volume, there will be a prompt tone of "DU".

4.Long press volume + for 2s and loose it after hearing the prompt tone while listening to music, then it will turn to the
next song automatically.

LED

1.The red light will be constantly on at charging; and the blue light will be constantly on after being fully charged.

2.When the battery is low, the red light will flash three times for every 20s. And there will be a voice prompt "low
battery".

3.The red light and blue light will flash alternately at pairing mode.

4.The blue light will flash three times for every 5s at incoming call or outgoing call.

5.The red light and blue light will flash 3 times simultaneously for every 3s.

Steps to connect the bluetooth headset to mobile phone

1.Long press the multifunction key (about 6.5s) when the headset is off until the red light and blue light of the headset
flashes alternately and enters the status being searched.

(After hearing the prompt "get access to pairing mode", it can be searched by other bluetooth device).

2.Turn on the bluetooth of the mobile phone. Click to search for bluetooth device until the mobile phone detects the