Plantronics has announced an interesting speakerphone in the Calisto 825 speakerphone, which is optimized for use with Microsoft Office Communicator and Lync. It is designed for private and home office workers who use multiple communication devices to collaborate effectively.

The Calisto 825 has a unique wireless microphone that provides superior speakerphone audio quality as well as freedom of movement. The unit also produces unmatched audio quality and premium sound using echo and advanced noise cancellation technology. The Calisto 825 will cost you $259.95.

Plantronics new K100 in-car Bluetooth speakerphone includes dual microphones and digital signal processing (DSP) technology that keeps the user’s voice sharp and clear and also limits the surrounding noise. Also echo cancellation improves listening on both sides of the conversation, while a high-quality speaker makes every call clear.

The Plantronics K100 also has an integrated FM transmitter, so you can hear conversations, stream music, or play podcasts from your smartphone to the car stereo system. It also features large buttons so you can control the K100, while keeping safe on the road.

BlueAnt, makers of all kinds of Bluetooth gear has launched a new device at CES 2011 called the S3. It connects to the visor in your car and offers hands free calling as well as a lot of other features. The device features a convenient auto reconnect that connects your phone back to the S3 each time you get in or out of the car. It also supports text-to-speech for text messages when used with a separate downloadable app.

The S3 will cost you $79.99 and ships in the first quarter of 2011. It can also be paired with two devices at one time and supports five languages. In addition to the other features, the speaker is full-duplex and it has wind and echo cancellation.

Jabra has something new for the wireless music crowd with the announcement of its stereo Bluetooth HALO headphones. They have absolutely nothing to do with Master Chief. It will give you six hours of playback on a single charge, AVRCP support, Jabra’s Noise Blackout circuitry for improved quality when using it for calls, and micro-USB charging.

The HALO folds up for easy storage, which will also power it on and off. You may also want to check out the SP200 speakerphone, which will give you 10 hours of talk time, 23 days of standby, and active noise reduction. The HALO will arrive in May for $129.99, while the SP200 hits in April for $59.99.

GN Netcom, through its Jabra headset brand, announced today a new speakerphone for in-car use. It is called the Jabra SP700 and it prices around $100.

The Jabra SP700 transmits cell phone calls to a car’s FM radio for hands-free communications. One clips the speakerphone to a visor, connects it to the phone via Bluetooth and tunes FM radio to the frequency set on the speakerphone. On cars with RDS enabled stereos the caller’s phone number will be displayed and this device also hosts an audio feature that lets users know when the speakerphone status changes, announcing instructions such as ‘power off’, ‘the incoming caller’s number’ and ‘connected’ in a choice of ten languages. It is available now.

Jabra

Cygnett recently unveiled a new Bluetooth hands-free speaker which has some interesting design appeal to it. It is called the Cygnett GrooveTooth Talk and you can pick one up for around $80.

The Cygnett GrooveTooth Talk works with Bluetooth-enabled cell phones, inclduing the iPhone 3G. It makes use of Bluetooth 2.0 and offers an auto detection range of around 30 feet. The built-in speaker is 1.5 watts and you can get about seven hours of talk time out of this device.