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S4 Voice Controlled Sun Visor Handsfree Speakerphone -- Text-to-Speech and Speech-to Text

3.4 out of 5 stars 356 customer reviews
| 17 answered questions

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Available from these sellers.
  • Use your voice to control headset
  • Up to 4 hours talk time and 100 hours standby
  • Supports true multipoint - connect two phones at the same time and answer the one that rings
3 used from $45.00

Product Features

  • Size (LWH): 4.88 inches, 0.62 inches, 2.38 inches
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Product description

Product Description

BlueAnt S4 Bluetooth Stereo Speaker withMultipoint, A2DP, and Text-to-Speech.

From the Manufacturer

Make & Receive Calls 100% Handsfree


With the BlueAnt S4, there is no longer any need to touch your phone or car speakerphone while driving.

For the first time, drivers can make and receive calls on the road using only their voice.

Use Your Voice to Make and Receive Calls

To activate the S4, all you have to do is say the hands-free trigger phrase "BlueAnt Speak to Me" and the S4 will be ready for your voice commands.

To make a call, just say "Phone Commands" and the S4 will activate your phone's voice dialing feature. *

When the phone rings you won't need to take your eyes off the road to know who is calling because the S4 will read out the caller's name or number and ask you if you want to take the call. All you have to do is say "Answer" or "Ignore".

* if supported by your phone

Hear Your Messages on the Go


The S4 integrates with Vlingo SafeReader so that you can hear incoming text messages read aloud. Once the Vlingo SafeReader application is installed on your BlackBerry® or Android™ 2.x smartphone, your incoming messages will be read out automatically as they come in.


A2DP Streaming


The S4 features integrated A2DP streaming audio functionality, so you can listen to music or podcasts and hear turn-by-turn direction information from a GPS application on your phone.

Free Android Application

Users with Android devices can further enhance their BlueAnt S4 by installing the BlueAnt S4 Android application.

The application provides text message readout directly into the headset and includes help and support for your S4.

The S4 Talks You Through It

The S4 also features embedded audio help that talks you through the setup and pairing process, and if you can't remember the voice commands you can ask the S4 "What Can I Say?" and it will tell you the available options.


No Need To Touch Your Phone Or Car Speakerphone While Driving...

  • True handsfree voice controlled car speakerphone
  • Make and answer calls using just your voice
  • Text to Speech technology reads out the name of the incoming caller
  • Stores up to 2,000 phonebook entries per paired device
  • Embedded audio help talks you through setup and operation
  • Multipoint: connect to 2 phones and answer the one that rings
  • A2DP streaming for playback of music, podcasts and directions from a GPS application on your phone
  • Full duplex, high volume speaker for rich booming audio
  • Outstanding wind, road, and background noise reduction for clear calls no matter how noisy it is
  • Sleek design with touch sensitive volume controls
  • Zero installation costs (fixes to the car sun visor)
  • Hardware on/off switch
  • Up to 20 hours talk time; 700 hours standby
  • 1 year replacement warranty (excludes clip and charger)

Product information

Warranty & Support

Product Warranty: For warranty information about this product, please click here


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