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ESTONE BT70 Bluetooth 4.2 FM transmitter with 1.7 inch LCD screen and dual USB ports

ESTONE

ESTONE BT70 Bluetooth 4.2 FM Transmitter 12-24 V 1.7 Inch LCD QC3.0 2.4 A Dual USB 32G TF Card

SKU CH-MQSF-4SAS4 MPN BT70

Bluetooth 4.2 FM transmitter for 12-24 V vehicles with 1.7 inch LCD, QC3.0 and 2.4 A dual USB charging, plus 32G TF card music playback

  • Key features1.Input: 12-24 V; Output 2 USB ports: smart 2.4 A charge por
  • Bluetooth 4.2 wireless streaming for hands-free calls and music
  • QC3.0 fast-charge port powers compatible phones up to four times quicker
  • Smart 2.4 A USB port detects and delivers optimal current for each device
  • 7 inch LCD with 270-degree gooseneck shows track info and battery voltage
  • TF card slot accepts up to 32 GB for offline playback

Bluetooth 4.2 FM transmitter for cars

The ESTONE BT70 plugs into a 12-24 V socket and streams audio from a paired phone or a TF card up to 32G. A 1.7 inch LCD shows the song name, caller ID or the vehicle battery level at start-up. The gooseneck rotates 270 degrees for a clear view from any seat.

Dual USB charging with QC3.0

One orange port delivers QC3.0 output at 3.5-6.5V 3A, 6.5-9V 2A or 9-12V 1.5A. The blue port supplies a smart 5V 2.4A current that identifies Android or iPhone devices automatically. Both ports operate together so two devices charge at once.

Steady output on long drives

The QC3.0 port maintains its stepped voltages continuously while the smart port holds 5V 2.4A without throttling. The display remains readable and the Bluetooth 4.2 link stays stable during extended use. Buyers who need more than 32G of TF storage or more than two charging ports should look elsewhere.

How it compares

Measured against everything we stock in Diagnostic Tools & RV Electronics, at today’s prices. Recalculated every night.

Price $21.99
Pricier than about 60% of the 432 comparable items (median $18.99).

Specifications

Product
Brand nameESTONE
Model nameBT70

Questions about this item

How do I install the BT70 and what step do people often miss?

Plug it into the 12-24 V socket, rotate the 270-degree gooseneck for viewing, then pair via Bluetooth 4.2; the missed step is tuning the car radio to the exact same FM frequency the transmitter shows.

What maintenance or replacement will the BT70 need later?

No scheduled maintenance is required; keep the 1.7 inch LCD and contacts clean, and replace the TF card if it fails — cards up to 32 G FAT format are supported.

What limit appears first during sustained use of the BT70?

The orange QC3.0 port drops from 3 A at 3.5-6.5 V to 1.5 A at 9-12 V as voltage rises, so fast-charge current falls first under continuous high-load charging.

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