Link: http://blog.testfreaks.com/review/review-of-supertooth-hd-voice-bluetooth-speakerphone/
Quote:
"The SuperTooth HD VOICE features two speakers with 5-Watt audio output and a 5.4 Watt amplifier. Its dual speaker design also includes a dual noise canceller and a dual microphone. It comes with 12 spoken languages preprogrammed including British English, American English, French, Italian, German, Spanish, Mexican Spanish, Brazilian Portuguese, Chinese, Russian, Japanese and Polish. "