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Package picture:

4.2 specification and function description of bluetooth headphone

Product specifications:

1. Bluetooth version: 4.2

2. Bluetooth calling: full duplex

3. Wireless distance: no obstacle 10 meters or more

4. Frequency range :2.402GHZ

5. Call time :5-6 hours

Standby time :350 hours

6. Receiving sensitivity < - 80 DBM

7. Rechargeable battery :130 mah

8. Charging voltage: 5V 0.7 A

8. Compatible with a variety of medium, high and low-end bluetooth devices, including mobile phones, ipads, laptops, speakers, bracelets, watches, medical devices and so on

9. Accessories: host and USB data cable up to 2A, instruction manual  

1, fast boot code

Long press the middle button for 2 seconds, one click, the red light and blue light turn on, then the red and blue light flicker alternately into the code mode; The code is successfully checked, the blue light is always on, and the bluetooth name can be searched when the phone opens the bluetooth.

2, full duplex high-quality call, call back

Call automatic bluetooth answer, two-way intercom, double-click play call back;

3, connect to play music

After bluetooth connection, press the middle play button directly to automatically open music to play

4, volume increase and decrease

Long press volume - lower volume, long press volume +, increase volume

5, up and down curve adjustment

Short press volume - last song, short press volume + next song

6. Play mode switch

7, to turn it off

Long press 2 seconds, drop a red light lights a shutdown

8. Description of power-saving mode:

About 15 seconds will go into the power saving mode, you can see it in the blue light, the blue light flash a few seconds is in power saving mode. If the phone is connected, it will be in the power-saving mode when there is no audio coming from the phone and the POWRE key is not pressed. When there is audio coming from the phone, it will exit the mode and enter the normal mode. 

Additional if did not connect a mobile phone, enter after energy-saving mode, 5 minutes can turn off automatically.