True Wireless Earbuds T12-Complete Features/User Instruction Guide

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True Wireless Earbuds T12

Specufucations

• Brand: Letsfit
• Button Control: 01
• Bluetooth 5.0
• Microphone: Included.
• Battery time: 30hrs.
• Playtime earbuds: 5 hrs.
• Charging case battery time: 25 hrs.

You don’t have to wear a fixed earphone for Single Ear Mode with Wireless Bluetooth Earbuds, and you can effortlessly switch between Single Ear Mode and Binaural Mode, satisfying your use requirements for different occasions.

Wireless Bluetooth Earbuds use the most advanced Bluetooth 5.0 technology, which supports HSP, HFP, A2DP, and AVRCP for in-call stereo sound and fast, stable transmission. Simply open the charging case and connect to “T12” on your device; they will automatically reconnect to the previously connected device after the first use. With only one button, you can manage your audio and accept or reject calls after connecting. Own fantastic comfort and smooth sound that sits effortlessly in your ears, allowing you to immerse yourself in the music with an ergonomic design.

What’s included

1. T12 Wireless earbuds 1
2. Charging case 1
3. USB cable 1
4. User manual 1

Product description

How to Wear

Please place the earbuds into the cochlea gently, and adjust to a suitable angle.

Power on

Method 1
 Both earbuds will be powered on and will be connected to each other automatically as soon as the charging case is opened. Take out both earbuds, the master earbud will be flashing orange and white LED light alternatively. (By default, factory setting, the left earbud is the master earbud.)

Method 2
If your charging case is running out of battery, or if your earbuds are not in the case. Long press the multifunction button on both earbuds for about 2seconds to power them on. The master earbud will be lashing orange and white LED light alternatively. (By default, factory setting, the left earbud is the master earbud.)

Pairing

Use Method 1 or 2 to pair up the device if you are using it for the first time. Turn on the earbuds and the Bluetooth function on your electronic device and search for “T12”. When it shows “connected” it means it is connected Successfully. After connecting it for the first time, the earbuds will automatically connect with the device next time you turn them on. The earbuds will recognize the latest device it is connected to. If the latest device is not nearby, the earbuds will turn into searching mode (orange and white light flashing alternatively).

Notice

1. Pairing mode will only last for 10mins at most, the earbuds will power off after the time if they are not paired. You need to do redo the previous steps again to connect the earbuds with your electronic device after the 10mins.
2. The connection will lose if the earbuds are out of the range from the electronic device. It will be reconnected if both devices are within the detectable range in 10minutes.

Power off

Method 1
Simply just put the earbuds back into the charging case and close it, then the earbuds will be powered off automatically. (The earbuds will not power off automatically if the charging case is out of battery)

Method 2
Long press any one of the earbuds for 6seconds, the orange light will be shown for 1 second and then the earbuds will be powered off.

(Note: If the earbud Is left unpaired for 10minutes, the earbud will automatically turn off.)

• Answer a call
  Press the multifunction button once to answer a call.

• Ending a call
  Press the multifunction button once to end a call

• Rejecting a call
  Press the multifunction button for 2 seconds.

• Call switching mode
  During a phone call, press the multifunction button for 2 seconds to switch between your phone and the earbuds.

• One-key Siri
  Under standby or music playing mode, double-tap the multifunction button to activate Siri. (This feature is only available for IOS system devices)

Music playing

1. Play/Pause: Press the multifunction button to start or pause the music
2. Previous song: Press the left earbud for 2 seconds to go back to the previous song.
3. Next song: Press the right earbud for 2 seconds Tor the next song. (In mono mode, press any one of the earbuds for 2seconds for the next song.)
4. Mono mode: only can skip to the next Song.
5. Auto Play: Once you finished your phone call, the music will be back on automatically.

Charging for the charging case

The LED light indication tells the battery level of the charging case. When the battery is under 25%, a white light will flash to remind you to charge the case.

While the charging case is charging using the USB cable, an orange light will indicate the battery level. (Flash 1 time every 2seconds, battery capacity is 0-25%; 1 time every second, battery capacity is 25-50%; 3 times every 2seconds, battery capacity is 50-75%; 2times every second, battery capacity is 75-100%. When the charging boxes fully charged, a constant orange light will be shown.)

Charging the earbuds

When the earbuds are in low battery, there is a voice prompt to remind you to put the earbuds back into the case for charging. When the orange light is on when the earbuds are charging. The orange light will turn off when the earbuds are fully charged.

Active-Standby Mode

1. The earbuds can work independently; you do not necessarily need to connect both earbuds with your phone to get it to work. if you are using one earbud and would like to connect another earbud, simply just take the remaining earbud out of the case.
2. When the master earbud (default left) is out of battery or is not placed in the charging case, the right earbud will change to the master earbud.

Technical solution

if you have issues pairing the earbuds with your electronic device, please try the Following steps first:

Make sure the earbuds are fully charged; are powered on; are not paired with other devices: the mobile phone Bluetooth function is enabled and is on; within the range of distance between the earbuds and mobile phone if the above steps do not resolve the problem, please try to restore it back to factory default settings (Method: Tum off the earbuds and then long press the multifunction button for 15seconds until the orange and white light are flashed for a second. Turn on the earbuds, and then press the multifunction button for two seconds on both earbuds to connect them together. Orange and white LED light will flash alliteratively to indicate successful connection.) Try to connect with your device again according to the steps above If it still does not work, you can try to set the earphone by long-pressing the multifunction button of the earbuds and putting them back into the charging case, then release your finger from the button.

Safety Criterion

1. Please follow the instruction of the User manual and do not disassemble or modify the device otherwise it may cause the earbuds fail to work, or burnt.
2. Do not drop or wash the product in any liquid.
3. Do not use adapters with current/ voltage exceeding the limit 1A/5V to charge the case or the battery will be damaged.
4. Store the earphones in a room temperature environment. (Do not leave it in places that are below 0 Celsius or above 45 Celsius)
5. Do not block the charging interface, LED indicator, and microphone.
6. Do not use the earphone over time and Over-volume, or it will make you feel dizzy or damage your hearing.
7. Do not use the devices in a thunderstorm environment. Thunderstorms may cause abnormal operation of the devices, signal interruption, etc.

Mono Mode

1. For mono mode, make sure only one earbud is turned on before connecting to an electronic device.
2. When connecting to a known device, turn on the earbud by pressing the multifunction button for 2seconds and it will reconnect with the device automatically.
3. When playing music in mono mode, the multifunction button only allows you to switch to the next song.
4.  When connecting to a new device, press the multifunction button for about 5seconds to enter pairing mode, then select connect in the Bluetooth setting

Frequently Asked Questions

• What is the best way to charge T12 earbuds?
  In the charging case, place the earbuds. The charging case indication remains orange while they are being charged. The charging case indicator will turn off when they are fully charged. 2) Close the case lid, and the earphones’ LED indicator will remain orange.

• What is the best way to connect T12 earbuds?
  Search for “T12” using your headphones and Bluetooth capability on your electronic gadget. When it says “connected,” it signifies it has been successfully linked. The earphones will automatically connect with the smartphone the next time you switch them on after the first time you connect them.

• What is the best way to increase the volume on my T12 earbuds?
  The volume rises up when you tap and hold the right earbud. Volume is reduced by tapping/holding the left.

• What gives with my T12 earbuds being so quiet?}
  The volume of your wireless earphones might also be affected by the battery level. When the battery is low, the earphones automatically reduce the volume to save energy. Fortunately, the solution is similarly simple. The volume should revert to normal when you change your earbuds.

• What’s the deal with only one of my wireless earphones working?
  Depending on your audio settings, headphones may only play in one ear. Check your audio properties to make sure the mono option is disabled. Also, make sure that the voice levels on both earphones are equal.

• What is the significance of my wireless headphones flashing red and blue?
  They’re in the process of pairing or discovering each other. This indicates that your headphones are trying to pair with another Bluetooth device. When headphones are in pairing mode, they may attempt but fail to connect with another device. They’re having trouble pairing and are blinking red and blue to let you know

• On Letsfit earphones, how do you increase the volume
  The previous track can be accessed by pressing the left earbud button twice. The volume will go up if you tap and hold the right earbud, and down if you tap and hold the left earpiece.

• What is the procedure for resetting wireless earbuds?
  Remove the earbuds from the case and press and hold the buttons until they turn off. Hold down the buttons on both earbuds for roughly 5 seconds, starting with the earphones in the OFF position. The LEDs will become white for around 5 seconds before turning off. Your earphones will be reset.

• What is the best way to make my wireless earphones louder?
  Volume control is available on the majority of wireless earphones. This is usually accomplished with a smart touch feature that allows you to adjust the volume by tapping either side of the earbuds.

• What is the procedure for resetting T12 earbuds?
  Hold down the main buttons on each for 5 seconds, then turn off the earphones (led lights are red). Then, for 8-10 SECONDS, press down on both earbuds until they flash purple (not blue or red). They’ve been reset to factory defaults.

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