Overview: The Sennheiser Presence Bluetooth Headset allows you to carry on a
conversation hands-free using your Bluetooth-compatible cell phone. Exclusive
Sennheiser technologies, such as WindSafe and SpeakFocus, make it easier for you to hear and be heard. This lightweight
headset weighs approximately half an ounce, and includes a car charger and 3
different sized ear sleeves for best fit.
Compatibility: Presence is compatible with Bluetooth version
4.0/class 1 with an extended range of up to 82 feet (25 meters). It is backwards
compatible with all Bluetooth 1.1, 1.2, 2.0, 2.1, and 3.0 devices. Bluetooth
Profiles include HSP "headset profile" (v.1.2), HFP "hands-free profile" (v1.6),
and A2DP "advanced audio distribution profile" (v1.2).
WindSafe Technology: The headset is equipped with WindSafe,
which uses three digital microphones and intelligent wind noise reduction to
filter out unwanted wind noise. Two microphones on the side and one in the front
work together to pick up your voice and to reject annoying wind noise when in
SpeakFocus Technology: Similar to WindSafe, SpeakFocus
technology is an adaptive noise reduction system which is optimized for noisy
environments. The device's three microphones work in concert to reject office
noise, traffic, and other environmental noise, and to enhance your end of the
Echo Cancellation: Presence utilizes digital echo
cancellation to eliminate all those annoying echoes while you're speaking.
HD Quality Sound: Presence delivers the clearest and best
sound in its class with Sennheiser's HD Sound and HD Voice. The earpiece has a
wide frequency response of 100Hz-15kHz (A2DP/music), and the microphone's
response is 150-6,800 Hz (Wide band). The device's high 118 dB maximum sound
pressure level assures you'll be able to hear the other party, while ActiveGard
technology protects your hearing by blocking sudden sound surges.
Wearing Flexibility: The unit is worn in one ear, either the
left or right. You can wear it with or without the adjustable ear hook. Three
sizes of rubber ear adapters are included to help you find the perfect fit.
Two Phone Connectivity: You can pair up to eight Bluetooth
devices to the Presence, but connect to only two of them simultaneously. When
switched on, the headset tries to connect to the last two connected Bluetooth
devices. You can use the unit to accept calls on the two connected phones, or
two calls on one phone, and toggle between them.
Controls/Indicator: Presence has simple-to-use controls. To
power the unit on or off, you simply move the silver slide control forward or
backward. The Sennheiser logo in the center of the device serves as a
multi-function button. On either side of the multi-function button are the
Volume + and Volume - buttons. An LED on the rear of the unit glows blue or red
to indicate it is paired or in the process of pairing with your phone. It also
flashes to indicate the level of battery charge.
Voice/Beep Prompts: The device features both voice and beep
prompts to provide confirmation of actions taken or status.
Power Requirements: The Presence Bluetooth headset is
powered by a 5-volt Lithium Polymer rechargeable battery, which gives you up to
10 hours talk time (narrowband), 8 hours (wideband), and 14 days standby time
between charges. The battery charges in approximately 1 hour 20 minutes using
the supplied car charger or using the USB port on your computer. You can
partially charge the device for reduced talk time:
|Charging Time (approx.)
||less than 1 hour
||1 to 2 hours
||2 to 4 hours
||4 to 10 hours
Battery Level Indicator: During usage, you can press the
multi-function button to check the battery charge level. The LED will flash at
the same rate as during charging. When using the Presence with an iPhone, the
iPhone screen will show an additional battery level indicator for the headset on