Features:

• Superior quality Gentex noise canceling microphone
• All day wearing comfort
• Easy to use: simply plug and play
• Flexible microphone boom stays in position
• Left or right side microphone placement
• Adjustable headband for great fit
• 270° swivel ear piece and soft cupped ear cushion
• Durable components for long headset life
• Two year unconditional warrenty
  
  

Transmit Specifications:

• Gentex noise canceling microphone
• Ambient noise suppression: 13dB @ 1 kHz, typical
• Output impedance: 1.8 kOhms typical
• Sensitivity: -54dB @ 1kHz (defined 1" from talk-side, 82dB SPL)
• Frequency response: 100Hz to 6.3 kHz, optimized for voice.
• Operating current: 300uA max
• Operating voltage: 1.0 V DC min. to 20 V DC max.

Receive Specifications:

• Speaker: Dynamic, 36mm diameter
• SPL: 90dB @ 1 kHz, 0.22 V input
• Impedance: 32 Ohms
• Frequency response: 100 Hz to 6.3 kHz
• Rated input power: 10mW continuous, 100 m W peak

Mechanical Specifications:

• Cables: Stranded Wire, spiral shield, polyethylene insulation, PVC jacket
• Connection: MIC: 3.5mm stereo plug with tip and ring wired independently.
• SPEAKER: 3.5mm stereo plug with tip and sleeve wired to speaker; ring open
• Microphone Boom: Flexible gooseneck / Swivels 270 degrees for left or right ear placement
• Headband: Stainless steel adjustable band; Ratchet Positioning
• Weight (without cord): 1.5 oz
• Cord: Single cord terminates with 3.5 mm plugs. No quick disconnect.
• Cord Length: TalkPro 10' 4"

More Details (PDF)