Genius HS-980BT, Bluetooth Stereo Headset, rechargeable, omni-directional mic

Brand Genius
Model ID HS-980BT
Type of Headset Over-the-ear (Circumaural), Closed back
Headset Design Over-the-head
Wired/Wireless Wireless
HEADSET SOUND FEATURES
Headset Driver Units 30 mm
Headset Impedance 32 Ohm
Headset Sensitivity 102 dB/mW (Power On)
Headset Frequency Response 20 - 20000 Hz
MICROPHONE SOUND FEATURES
Microphone Type Omni-directional Microphone
Microphone Sensitivity -40 dB/mW (Power On)
Microphone Frequency Response 100 - 10000 Hz