Bluedio T4 User Manual

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Headphones overview

Power on:

When the headset is off, press and hold the MF button until you hear “Power on”, and you will see the blue light blinks.

Power off:

When the headset is on, press and hold the MF button until you hear “Power off’.

Pairing:

When the headset is off, press and hold the MF button until you hear “Ready to pair”, and you will see the blue light stays on

Answer/Reject phone calls:

Receiving an incoming call, press the MF button once to Answer; press once again to End; Press and hold for 2 seconds to refuse.

Switch phone calls:

Receiving Call 2 in Call 1, press and hold the MF button to hold on Call 1 and answer Call 2; press and hold again to switch back to Call 1: press once to end the call.

Redial the last number:

Press the MF button twice to radial the last number.

Bluetooth pairing:

Make the headset enter pairing mode (see instruction “Pairing”), and turn on the Bluetooth feature of your phone, select “Bluedio T”; you will hear “device connected” after successfully paired.

Note: If pairing is not successful within 2 minutes, please repeat above steps to pair again.

Music control

When playing music, press the Pause/Play button once to Pause; press once again to resume.

Volume- button

Press once to reduce the volume; press and hold to skip to the previous track.

Volume+ button

Press once to increase the volume; press and hold to skip to the next track.

ANC switch

Push the ANC switch to turn on/off the ANC function; when it’s on, the green light will stay on. The ANC function will take effect after about 5 seconds.

Language Selection:

Turn on the headset first, then press the MF button and the Volume- button once simultaneously lo select English/Chinese/ French/Spanish:

Selecting the language using the buttons on the side

Connect to two mobile phones via Bluetooth:

Connect the headphones with phone 1, then turn off the headphones and the Bluetooth feature of phone 1.
Turn on the headphones and make it enter pairing mode.
Connect the headphones with phone 2
Turn on the Bluetooth feature of phone 1, select “Bluedio T° in the Bluetooth list.

Line-in music playback

Use the standard 3.5mm Type-C audio cable to connect the headphones with your mobile phone and computer.

Note: Turn off the headphone before using this feature.

Line-out music playback

Connect the headphones with your mobile phone via Bluetooth first, then use the 3.5mm Type-C audio cable to connect the headphones with other headphones.

Note: Turn off the ANC function before using this feature.

Charger and battery Charging cable:

Please use the included Type-C charging cable to charge the battery, or it may damage the headphones. USB wall Charger: if using a USB wall charger, the output requires 5VDC, > 0.5A.

Charge the headphones

The built-in battery is rechargeable and non-detachable. Don’t try to replace the battery on your own.

Turn off the headphones before charging. Use the included Type-C charging cable to connect the headphones with a computer or wall charger. While charging, the red light stays on.

Allow 1.5 hours for a full charge. Once fully charged, the blue light will stay on.

Specifications:

Bluetooth version: 4.2
Bluetooth operating range: up to 33 feet (free space)
Bluetooth transmission frequency: 2.4GHZ to 2.48GHz
Bluetooth profiles: A2DP, AVRCP, HSP, HFP
Audio resolution: [email protected] • Drivers: cD57mm
Impedance: 160
Frequency response: 15Hz-25,000Hz
Sound Pressure Level (SPL): 116dB
Standby time: about 650 hours
Bluetooth music/talk time: about 16 hours
Bluetooth music/talk time under ANC: about 16 hours
Pure ANC time: about 16 hours
Charging time: 1.5 hours for full charge
Operating temperature range: -10°C to 50°C only
Charging voltage/current: 5V/ v 500mA
Output power: 25mW+25mW

Specifications are subject to change without notice.

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