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DACOM ST-77 - bluetooth headset specifications.

  Bluetooth headsets Specs >> DACOM >> DACOM ST-77

Basic Specs DACOM ST-77
Bluetooth Standard: bluetooth is a wireless technology standard for exchanging data over short distances (using short-wavelength UHF radio waves in the ISM band from 2.4 to 2.485 GHz) from fixed and mobile devices, and building personal area networks (PANs). Invented by telecom vendor Ericsson in 1994, it was originally conceived as a wireless alternative to RS-232 data cables. It can connect several devices, overcoming problems of synchronization.
mono Monaural or monophonic sound reproduction (often shortened to mono) is intended to be heard as if it were a single channel of sound perceived as coming from one position (unlike stereo, which uses two channels to convey the impression of sound coming from different places from left, middle, and right). In mono, only one loudspeaker is necessary, but, when played through multiple loudspeakers or headphones, identical signals are fed through each of the wires into each speaker, resulting in the perception of a one-channel sound, which "images" in one sonic space between the speakers (provided that the speakers are set up in a proper symmetrical critical-listening placement).
Handsfree, Headset, A2DP
10 m
Dimensions (WxHxT):
26x53.3x25.5 mm
9 g
Battery DACOM ST-77
Battery Chemistry: An electric battery is a device consisting of two or more electrochemical cells that convert stored chemical energy into electrical energy. Each cell has a positive terminal, or cathode, and a negative terminal, or anode. The terminal marked positive is at a higher electrical potential energy than is the terminal marked negative. The terminal marked positive is the source of electrons that when connected to an external circuit will flow and deliver energy to an external device. When a battery is connected to an external circuit, electrolytes are able to move as ions within, allowing the chemical reactions to be completed at the separate terminals and so deliver energy to the external circuit. It is the movement of those ions within the battery which allows current to flow out of the battery to perform work.
Talk time / standby:
6 / 100 h
Removable battery:
Possibility of charging from USB:
Functions DACOM ST-77
Answer/end a call:
Waiting/call hold:
Voice dialing: Voice tags are used in automated speech recognition in a voice command device, allowing the user to "speak" commands. For example, using voice commands with an automated device, such as an IVR telephone prompt or to dial a contact on a mobile phone.
Last number redial:
Detailed Specs DACOM ST-77
with earhook
Removable panels:
Packing list:
headset mono earphone, behind-the-ear ear, charger, user manual

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