|Bluetooth v2.0 technology (+edr compliant class 2). T2 noise canceling technology. Rechargeable li-polymer battery. Call waiting. 3-Way calling. Voice activated dialing. One-touch call answering/end. Talking time: up to 6 hours. Standby time: up to 250 hours. Includes home/travel charger (110/220v - 50/60 hz).|
Customer Reviews of Cellular Innovations Pro Boom 747 Headset - Mono - Black - Wireless - Bluetooth - Over-the-head - Monaural - Semi-open - Noise Cancelling Microphone
Microphone volume too low11/8/2011
Sound level was ok in ear piece. Would like to be able to increase it more. Microphone level was poor. People I called could not hear me as the volume was low and quality was poor.
need a big head and really good hearing7/7/2011
found the headset too large for my head. headseat does not sit well if you wear glasses (found it kept pushing my glasses off) extremely bulky also volume was low even though it was turned up as loud as possible noisekiller seems to work okay though
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