
Please read this manual carefully before using
B4
User Manual
Bluetooth
Transmitter
FM

Bluetooth
Transmitter
The Satechi B4 Bluetooth Hands-Free FM Transmitter is
compatible with phones oering Bluetooth wireless
connectivity between devices for the purpose of taking
calls while driving. This is accomplished without the use of
external wires and without the hassle or expense of custom
installation. The device transmits voice communication
signals via digital FM, which is then received by the stereo
system in your car. Your caller’s voice is amplied through
your vehicle’s sound system. This is a live full duplex
communication solution (speak and listen at the same time).
The device is also equipped with:
- DSP (Digital Signal Processing) Technology microphone
to cancel echo and reduce ambient noise, USB Port
to charge.
- USB port to charge USB powered devices, including
iPhone 3Gs & 3G, iPod, cell phones, MP3 players,
and more.
- Auxiliary Line-in jack to connect other audio devices,
including MP3 player, CD player, portable DVD player,
PC, laptop, etc.
To use this product in mobile communication, your mobile
phone must have built-in Bluetooth function or connected
Bluetooth adapter.
Features

Bluetooth
Transmitter
The Satechi B4 is easy to operate. Follow the instructions
below to get the most out of your product.
Getting Started
Place the Satechi B4 into the 12V cigarette lighter socket.
Adjust the device, so that it can be operated comfortably.
The display will light on immediately and the unit will be
ready for use.
[Getting Started]
Scan your car FM radio for an idle local frequency with little
interference and select that station. It is suggested to select
a station in the frequency range of 88.1 ~107.9MHz.
Available frequencies vary depending on your geographic
location, so please check and select carefully.
Change the frequency on the Satechi B4 by holding the up
or down Tune Keys until the transmitting frequency matches
the frequency selected on your car radio.
[Setup Frequency]
Speakerphones are connected to phones using a procedure
called ‘pairing’. Refer to the specic instructions supplied with
your phone for details on pairing Bluetooth devices.
By following a few simple steps, a phone can be paired with
a speakerphone in a matter of minutes.
[Pairing]