Electronics C1-1021450-1 Model USB-SA-1 High Fidelity External Digital Sound Card with Noise Reduction Technology

Can also be used to enhance ANY existing legacy headset, microphone or speakers, USB Stereo Microphone Input and Stereo Speaker Output, Power On / Data Transmit LED Indicator
Win98 SE / Win 2000 / Win XP and Vista Compatible, Mac OS9/10 (without Software) Compatible, Includes 's complete PureAudio Voice Solutions Software Suite

Electronics C1-1020700-1 Model PCTI-3 3-Way Telephone Headset Interface, Designed for Maximum Telephone and Computer Connectivity; 2. 2k Ohm, 5 VDC Microphone Power Provided Key Features Removes the Uncertainty of Legacy PC Audio Quality and Compatibility Issues USB 2. 0 Full Speed Operation Device Class Specification V1. 0 Compliant (Digital Audio Device) USB Stereo Microphone Input and Stereo Speaker Output Small Form Factor is Convenient for Portability with Audio Peripherals Power On / Data Transmit LED Indicator Win98 SE / Win 2000 / Win XP and Vista Compatible Mac OS9/10 (without Software) Compatible

Specifications

Mic Input: Microphone
power provided: 2. 2k Ohm, 5
VDC Connector: 3. 5 mm jack; tip, mic power and audio input; ring no connect
Headset Output: Headphone
output impedance: 8 to 32 Ohms for mono headsets, 16 to 32 Ohms for stereo headsets
Signal to noise: 40 dB (min)
Connector: 3. 5 mm jack; tip right speaker; ring left speaker, sleeve speaker low Computer In /
Out: Microphone
Input: 3. 5 mm plug connects to computer mic input
Speaker output / headset output: 3. 5 mm plug connects to computer speaker output or headset output
Cable Length: 7 feet
Multimedia Speaker Output:
Connector: 3. 5 mm stereo jack
Power: Voltage
(Wall transformer supplied): 9
VDC Current Drain: 70 mA (max)