Bluetooth Speakerphone Review: SuperTooth Crystal Bluetooth Speakerphone Review
Reviewed by Tong Zhang
Editor's Rating (1-5): 3.5
What's hot: Multipairing and multipoint connect, A2DP support, easy to use while driving.
What's not: Outgoing voice is tinny and has distortion, volume is low when working with the iPhone 5.
The SuperTooth Crystal Bluetooth Speakerphone is a wireless speaker that works with any Bluetooth smartphones, tablets and other mobile devices. The speaker has built-in Bluetooth 3.0 and works with both mono and stereo profiles. You can use the speakerphone as an office speakerphone as well as a hands free speaker on the road. It's small and light and very easy to use.
The SuperTooth Crystal Bluetooth Speakerphone has a compact size measuring 5.12 x 1.97 x 0.55 inches and weighs only 2.4 ounces. The slim Bluetooth Speakerphone has rounded corners and it's very easy to carry in your bag or clip it to your car visor. The car kit has a semi-gloss surface and isn't reflective in sunlight. The SuperTooth Crystal Bluetooth Speakerphone has five large buttons that are easy to operate while driving. Four of these buttons live on the side edges, and they include two volume control buttons, call End/Reject button and the power button. A round Multi-Function button with LED light lives in on the front of the Bluetooth Speakerphone next to the speaker grille, and you can use it for taking a call, voice dialing, pairing and more. While the surface of the speakerphone is smooth, the edges of the buttons aren't perfectly smoothed out and they get caught on things.
The SuperTooth Crystal Bluetooth Speakerphone has a micro USB charging port on the back and you can charge it with the included USB/micro USB cable. The speakerphone doesn't come with an AC charger but it does come with a DC adapter. You'll also find a small magnetic coin in the center on the back and you can use the included strong metal clip to clip the Bluetooth speaker to a car visor.
Pairing and Features
The SuperTooth Crystal Bluetooth Speakerphone has built-in Bluetooth 3.0 and supports Headset, Hands-Free and A2DP profiles. It can pair with any device that has Bluetooth and it supports mutlipairing and multipoint features, which means you can pair it with multiple devices (up to 8 devices) and connect it with two at the same time. We tested the speaker with several smartphones and it paired and connected with all easily. When you turn the speakerphone on for the first time it goes into pairing automatically, and for subsequent pairing press and hold the power button while the car kit is turned off.
The SuperTooth Crystal Bluetooth Speakerphone supports all Hands-Free call features including call waiting, rejecting incoming calls, last call redialing as well as voice command and voice dialing. The SuperTooth supports voice dialing on all major smartphone devices including Android, Windows Phone and the iPhone. When you press and hold the multi-function button, the car kit will find the default voice command program on your phone and launch it. On the iPhone, this function launches Siri. The speakerphone also displays its own battery life meter on the iPhone's notification bar but doesn't on other phones.
The SuperTooth Crystal Bluetooth Speakerphone also works with music, movie and system audio thanks to the A2DP support. It also has a proximity sensor so that it will automatically connect to your phone when you get into your car.
Audio Quality and Range
The SuperTooth Crystal Bluetooth Speakerphone has very good audio on the incoming end but tinny and thin audio on the outgoing end. The speakerphone has full duplex audio with DSP echo cancellation and double noise cancelling features. The incoming calls are clear and volume is loud on most phones, but not on the iPhone 5. The volume was low on the iPhone 5, though you'll have no trouble understanding the incoming conversation, but you'll likely turn the volume to max to hear the audio over road noise. The outgoing call quality is another story. It almost seems like the mic is lower quality than the rest of the unit. The outgoing sound is tinny and thin. Our call recipients could easily tell we were on a car kit as some audio distortion came through, and it happened on all the phones we tested including the Motorola Droid RAZR HD, Samsung Galaxy S III and the iPhone 5.
The SuperTooth Crystal Bluetooth Speakerphone has a strong DSP. It filtered out most road noise and most ambient noise in our tests. The range is plenty good enough for a speakerphone if you're using it in your car and also in the office. In our tests, the range was about 20 feet when working with most phones.
Audio quality is decent for music playback. Since it has only a mono speaker, music and movies don't sound very full. Volume corresponds with call volume: it sounds loud on most Android phones but has low volume on the iPhone 5. If you turn the volume to max on the iPhone 5, you can fill a medium sized room with music.
The SuperTooth Crystal Bluetooth Speakerphone has a built-in rechargeable Lithium Ion battery. You can either charge it via a computer if you use the speakerphone in your office, or via the included DC adapter for your car cigarette lighter for using it on the road. The SuperTooth has great battery life with up to 20 hours of talk time and over a month of standby time.
The SuperTooth Crystal Bluetooth Speakerphone is a compact car kit that works with any Bluetooth devices in or out of the office. The speakerphone has new Bluetooth features and full call management functions. It's easy to use while driving and the battery lasts a long time on a charge. The incoming voice quality is very good, only marred by the outgoing voice quality that's tinny with some distortion. The speakerphone has good volume with most phones except with the iPhone 5 and it has good range.
The SuperTooth Crystal Bluetooth Speakerphone, DC adapter, USB cable, visor clip and printed manual.
Bluetooth version: 3.0
Profiles: Hands-free, A2DP and AVRCP
Talk time: Up to 20 hours
Standby time: Up to 40 days
Web site: SuperTooth
Check out our Bluetooth headset and car kit reviews:
Edited by Jacob_Spindel (11/13/12 05:07 PM)
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