Sumind BT70B Bluetooth FM Transmitter User Manual

BT70 Bluetooth FM Transmitter User Manual

Item Specifications:

• Item Size: 213.7 x 78 x 56.8 mm
• Item Weight: 94.8 g
• Item Color: black
•  Bluetooth Version: V 5.0
• Bluetooth Effective Range: 10 meters
• FM Transmitting Range: 3 meters
• Effective Frequency: 87.5-108 MHZ
• Input Voltage: DC12-24V
• Dual Port Output Current: QC3.0+5V/ 2.4A
•  TF Card: 64 GB (Maximum Capacity)
•  Music Format: MP3, WMA, WAV, FLAC

How to set up BT pairing:

• Start the car and set the car radio to the local FM where there is no radio program.
• Insert the device into the car cigarette lighter, then press CH+/CHbutton to adjust the FM to the same as the car’s.
•  Turn on the phone BT and search for the name of the BT70, click to connect successfully.
•  At this time, you can make hands-free calls, voice navigation, listen to music, and so on.

Package contains:

• 1 x Bare-device
•  1 x Manual
• 1 x 3.5 MM aux line
• 1 x 4A fuse

Item Details:

1. Frequency +

2. Frequency –

3. Previous Song (Long press to switch TF/ Bluetooth play mode )

4.  Next Song (Long press to turn off FM transmitter)

5. Answer call: short press to Hang on/ off; Long press to reject; Dual
   clicks to call back
   Music: short press to Play/ Pause
   Stand by: long press for 3 seconds, Siri/ Google Voice Assistant

6. Turn up the volume with clockwise rotation

7. Turn down the volume with counterclockwise rotation

8.  QC3.0 USB Charger Port-Fast charging

9. 5V/2.4A USB Charger Port

10.  Aux Line In/ Line Out

11. TF Card Slot/ 64 G Maximum Support

 About FM:

•  Plug the transmitter into the car cigarette lighter, then it will power on automatically. When the screen is completely displayed, press
  CH+/CH- button to adjust the FM between 87.5MHz-108MHz and select the one you want.

About Bluetooth Pairing:

• When you use this device for the first time, you will be required to pair it with Bluetooth. Turn on the Bluetooth of your mobile phone,
  search the device named BT70 and click connection. Generally speaking, it will be connected directly. But sometimes you will be required to enter the password, then please enter number 0000.

About music playing:

• After paring successfully, open your music player or insert the TF card (music format is MP3/ WMA/ WAV/ FLAC) to play the music. Please note that when inserting the TF card, it will automatically play the music without showing the song name and lyrics. The music in the TF card should not be stored in the folder format, and the device only supports sequential playing.

About music playback source switch:

• If it is playing music with Bluetooth at this time, just plug in TF card and wait for 3 seconds, then TF card music can be played automatically.
• If you switch from TF card music mode to Bluetooth music mode at this time, please long press the previous song button to Bluetooth music mode.

 About receiving and making phone calls:

• Press the phone button to answer or hang up the call.
• Push the phone button twice to call back the last number in the call log.
•  Press the phone button to reject calls, and the numbers will be reported.

 About switch machine:

•  If you want to listen to the car’s FM radio program or before getting out of the car, please long-press the power button to turn off the device, but the USB also maintains the charging function. This device does not consume your car’s battery, but be sure to check that all other power-consuming devices in your car is turned off before you get out.

On waking up your phone’s voice assistant:

• A long press of the phone button activates the phone’s voice assistant & SIRI & Google, and start Siri or Google to realize the voice
  assistant function.

About charging:

• Plug your charging cable (not included) into the device and then you can use it. The orange USB port supports QC3.0 quick charging, and the blue USB port supports 5V/2.4A charging.

About replacing the fuse:

• As shown in the pictures, after unscrewing the rotatable gray silicone ring, you will see a 4A fuse. Replace it with the spare fuse and tighten it. Please be sure to tighten the silicone ring, otherwise, the parts will fall off when the device is inserted and unplugged.

Safety Notices:

• The device should not be placed near magnets or things with magnets, otherwise, it will affect the normal use of the device or damage the device.
• Do not put the device in a moist environment of very high or very low temperature.
• This device is equipped with a radio signal, please make sure there is no interference from other signals.
• To avoid hearing impairment, please do not turn the volume up to the maximum for a long time.
• Please keep kids away and do not let them play with the device as a toy.
• Please do not modify, repair or dismantle the device arbitrarily. If you have any questions, please feel free to contact us.

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