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saving circuit to turn itself on and off automatically. Average battery life with normal use is about 6 months Energy-saving circuit turns off the unit after 2 minutes of silence from other party. DH-500 Tips for Installation Patent in DH-500 The patent relates to an electronic circuit that realizes the following function: The circuit is connected to the output of a microphone and amplifies h
[Related Keywords : HANDS FREE, DH-500]
Business Type
Supplier
Location
Daegu, Korea
Employees Total
1 - 5
Annual Revenue
USD 500,001 - 1,000,000
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