Bluedio U2 User Manual

Bluedio U2 User Manual & troubleshooting

User Manual: Bluedio Headphones

Bluedio U2 User Manual  & troubleshooting 1

Model: U2

Headphones Overview

Bluedio U2 User Manual  & troubleshooting 2

In The Box

Bluedio U2 User Manual  & troubleshooting 3

Operating instructions

Power on:
Press and hold the MF button until you hear”Power on”.

Power off:
Press and hold the MF button until you hear”Power off’.

Bluetooth pairing:

  1. Power on the headphones and they will enter pairing mode automatically.
  2. Switch on the Bluetooth of your mobile phone,search or add the device and select “Bluedio U2”.(If asked for a password or PIN code, enter “0000”)
  3. The paired headphones will automatically enter the reconnection mode and automatically connect to the last successful device. The blue light flashes.
Bluedio U2 User Manual  & troubleshooting 4

Using the headphones to talk(connect with your phone via Bluetooth)

Answer/Reject phone calls:
Receiving an incoming call, press the MF button once to Answer; press once again to End; Press and hold for 1 seconds to refuse.

Voice dial
When standby or playing music, press the MF button for 1 second to make sound control and voice call

Switch calls between phone and headphones
When answering a call, double click the MF button to transfer the current call to the phone or the headphones.

Redial last number
Press the MF button three times in a row.

Switch phone calls:
Receiving Call 2 in Call 1, press the MF button once to end Call 1 and answer Call 2; press and hold the MF button to hold on Call 1 and answer Call 2. Press and hold the MF button can switch between Call 1 and Call 2; press once to end the call.

Music control/volume adjustment (in Bluetooth mode)
Pause/Play: press the MF button
Previous track: press the< button Next track: press the > button
Volume up: press the+ button
Volume down: press the – button

Bluedio U2 User Manual  & troubleshooting 5

Clearing the headphones memory
Press and hold the MF button for 5 seconds. Headphones enter pairing mode directly next time. (Without the tone “power on”)

Automatic shutdown
Headphones are no connected after powering on, wait for 10 minutes and they will power off automatically.

Charge the headphones:
The built-in battery of the headphone is rechargeable and non-detachable. Do not replace the battery.

  1. Turn off the headphones before charging.
  2. Use the included charging cable to connect the headphones with a computer or wall charger. While charging, the red light stays on.
  3. Allow 3 hours for a full charge. Once fully charged, the blue light will stay on.
Bluedio U2 User Manual  & troubleshooting 6

Bluetooth version: 5.0
Bluetooth transmission frequency: 2.4GHz to 2.48GHz
Bluetooth operating range: up to 33 feet (free space)
Bluetooth profiles: A2DP, AVRCP, HSP, HFP
Drivers: Cl>50mm x 2 , Cl>20mm x 6
Frequency response: 5Hz-25000Hz
Impedance: 320
Total Harmonic Distortion (THD): 0.3%-3% SPL: 120dB
Audio resolution: [email protected]
Standby time: 1300 hours
Music/talk time: 25 hours
Charging time: 3 hours for full charge
Operating environment: -10 to 50°C
Charging voltage/current: 5V/500mA
Output power: 120mA

Cloud function
The headphones support Alibaba Cloud Computing and other cloud platform. Users can download the app by scanning the QR code on page 37.

Wake up the cloud (have installed the cloud app on your phone)
Connect the headphones with your phone; open the app and then double-click the MF button to wake up the cloud.

Purchase verification
You can find the verification code by scraping the coating off the security label that is affixed to the original packaging. Enter the code on our official website: for purchase verification.

Learn more and get support
Welcome to visit our official website:; Orto email us at [email protected]; Or to call us at 400-889-0123.

Questions about your Manual ? Post in the comments!


Setting up Bluedio U2 User Manual is easy with these step-by-step instructions. Follow the steps are you are set-up in no time.

Using Bluedio U2 User Manual is simple by using this manual. Follow the instructions one by one and everything will be fine

Is Bluedio U2 User Manual stuck or not working properly? By resetting it you can set it back to the standard settings and everything should be back to normal. This works in many cases when problems arise.

This page contains the complete user instructions & manual for Bluedio U2 User Manual

All symbols, colors and codes for Bluedio U2 User Manual are explained in this instruction manual. You can find everything you need and moree