Seems like the number of Bluetooth devices increases weekly. BlueAnt
  has created several noteworthy additions to the mix. The Z9
  earpiece and Supertooth
  Light handsfree carkit are well designed and thought out. They are both simple, easy
  to use, and produce a very nice call/conversation experience.

BlueAnt Z9 Bluetooth Headset
The BlueAnt Z9 bluetooth earpiece is relatively small and lightweight compared
  to most bluetooth headsets available today. I would compare it to Apple’s
Bluetooth
  earpiece in terms of size, weight, comfort, and ease of use. The overall
  call clarity is slightly better than Apple’s headset.

BlueAnt’s Z9 has a simplistic design with clean lines and three well placed
  buttons. The headset has a single multi-function button (MFB) that controls
  most of the functionality. And while it only has three buttons, the Z9 is as
  feature rich as many of the other bluetooth devices currently out on the market.
  That being said, you will need to study the manual to learn how to activate
  some of its more complex functions. But that should not intimidate you, the
  device is extremely intuitive to use. 
Functions
Power On/Off
  Answer/End Calls
  Reject Calls
  Voice Dialing (If phone supports)
  Disconnect/Transfer
  Mute/Unmute
  Call Waiting
  Conference Call
  Disable/Enable LED Indicator
  Voice Isolation 
  ‘On-the-fly’ Phone Switching

Package Contents
BlueAnt Z9 Headset
      3 Translucent Ear Hooks
  Mini USB Cable
      AC Adaptor
      Quick Start Guide
      User Manual
      Warranty Card
Hardware Specifications
| Compliance: | Bluetooth v2.0 | 
| Bluetooth Profiles: | CSR BC03MM, RoHS/WEEE Compliant | 
| Range: | Up to 10 meters | 
| Battery type | 3.7V Lithium Polymer battery | 
| Talk Time | Up to 5.5 Hours | 
| Stand-By time | 200hrs. | 
| Charge Time | 2-3 hrs | 
| Weight | 10 grams w/o ear-hook or 11 grams with | 
| Dimensions | 41 x 17.5 x 11.2 (mm) | 
| Warranty | 2 years replacement | 

The Z9 speaker fits nicely into my ear while the clear earhook wraps comfortably
  around it. The earhook can be adjusted for maximum comfort/best fit.

The only thing on the back of the earpiece is the charging/data port. The device
  can be charged via a wall plug or mini USB data cable. The data cable also enables
  you to update the firmware.
The front of the earpiece has the dual microphones.

The top of the earpiece has the volume control buttons. They are well-placed, large and easy to find and push.

The bottom of the headset is void of anything other than the BlueAnt name and logo. BlueAnt engineered a clip for attaching the earpiece to your shirt or cuff, when not in use.

The clear translucent ear hook holds the earpiece  securely in the
  ear and against the side of your face. BlueAnt has integrated an effective
  noise isolation technology that improves call clarity when activated, suppressing extraneous noise and eliminating echo. Although you do sacrifice some audio quality when the noise isolation technology is on ‘Max’,  I’ve rarely found the need to turn go beyond the ‘Standard’ noise isolation setting. Switching between the two modes is accomplished by pressing  the multifunction key during a call. 
Overall, I like the BlueAnt Z9 earpiece and use it as often as I use my iPhone
  bluetooth headset. As I stated above, it is surprisingly comfortable, easy to
  use, and produces great call clarity.
Price: MSRP $129.99 (but can be found on the internet between $60-$70)
BlueAnt Supertooth Light Bluetooth Handsfree Carkit
If your car does not have built-in bluetooth connectivity or
  you do not like wearing an earpiece, the next best option is a handsfree carkit.
  The Supertooth Light by BlueAnt is an excellent Bluetooth
  handsfree carkit to consider. And while it is not the sleekest or slimmest
  or most function rich carkit on the market, it is very well engineered, easy
  to use, and its call quality is superb. I find myself using it instead of a
  bluetooth earpiece more and more.

Like the Z9, the Supertooth Light has a pretty basic design that definitely gets the job done. The high performance speaker
  takes up nearly fifty percent of the device. The green answer button is dead-center
  and red end button is on the right. The volume buttons are on the top of the device.
All of the buttons are easy to locate and use. There are two status LED’s on the bottom.

Package Contents
Bluetooth Light
  Metal visor clip
  Wall charger
  Car charger
  Vent mount phone holder
User manual
Hardware Specifications
| Compliance: | Bluetooth 1.2 | 
| Bluetooth Profiles: | Supports headset & handsfree profiles with automatic detection | 
| Operating Range: | Up to 10 meters | 
| Frequency: | 2.4 GHz | 
| Talk Time: | Up to 15 hours | 
| Stand-by time: | Up to 800 hours | 
| Charging Time: | 3 hours | 
| Battery Type: | Rechargeable Lithium Ion | 
| Dimensions: | 0.716" x 2.37" x 4.8" (18.2 x 60.2 x 122 mm) | 
| Weight: | 115 g | 
| Warranty: | 2 years | 
Features
Full Duplex
  Full DSP Noise Cancellation / Echo Cancellation using CVC
  Digital Volume Control
  Voice Dialing (if phone supports)
  Last Call Redial
  Reject Incoming Call
  Can also be charged directly from a PC via USB Cable (not included)

The Supertooth charges via a standard USB connector. which is ideal for me. I can charge my Blackberry and handsfree carkit with the same car charger. The rechargeable lithium-ion battery lasts an extremely long time between charges. According to BlueAnt, it has 15 hours of talk-time and/or over 30 DAYS in standby.

Installation is a snap, simply slide the metal clip onto your sun-visor and the
  Supertooth will attach itself to the clip via two strong magnets on the back of the
  device. This allows you to easily remove the Supertooth to charge or change
  vehicles (it would have been nice if BlueAnt had included an extra clip). The Supertooth Light has bluetooth  1.2, capable of pairing with up to five devices simultaneously, but like most  bluetooth devices, can only be connected to one at a time.

To turn the Supertooth Light on and automatically connect to your cellphone, all
  you have to do is extend the built-in microphone. This is done by pushing it in
  a bit and its spring loaded design slides the mic out and keeps it in place. Turning it off works the same way, push the mic back into the device until it locks in the closed/off position.
I highly recommend both BlueAnt devices. The Z9 earpiece and Supertooth Light handsfree carkit are well made, integrate quality audio electronics, easy to use, and, most importantly, provide an excellent call experience.
Price: MSRP $99.99 (but can be found on the internet between $60-$70)
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20% OffProduct Information
| Price: | |
| Manufacturer: | BlueAnt | 
| Pros: | 
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| Cons: | 
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Gadgeteer Comment Policy - Please read before commenting
Julie / Dave,
I’ve tried almost EVERY car Bluetooth device (not talking about earpieces) & EVERYONE complains of back ground noise. Since there’s no sound test included in this review, can you say how this one works as compared to the Motorola, Parrott, & others? Thanks, Mike
I need a new ear peace the little rubber part! where can I get one or two?