Featuring an adjustable microphone with noise canceling, the Logitech H110 headset is also useful for online conversations with friends and family or for listening to music on your computer. This helmet has an adjustable headband, which makes it remarkably comfortable. In addition, its 3.5mm jack is compatible with most PC sound cards.
Wireless: No
Headphone frequency response: 20 Hz to 20,000 Hz
Microphone frequency response: 100 Hz –16,000 Hz
Sensitivity: -58 dBV / µBar, -38 dBV / Pa +/- 4 dB
Volume control: No
Cable length: 1.8m
Connectivity: 2 x 3.5mm Male Stereo Jack

Easy to use, compact
Active matching
Multipoint technology
LED indicator for charging the battery
Samsung product
Black color
Intra-auricular headset type
Bluetooth Bluetooth connections
Volume Control Functions

HEADSET BULK SANDBERG USB HEADSET
Cable length: 1.8 metres
Connector: 1 x USB A Male plug
Earphone:
Driver unit: 40 mm
Frequency range: 20 Hz – 20 kHz
Impedance: 32 Ohm
Sensitivity: 38dB ± 3dB
Microphone:
Direction: Omni-directional
Frequency Response: 30 Hz - 20 kHz
Impedance: 2.2 kOhm
Sensitivity: -42dB ± 3dB

 Specifications:

    Manufacturer- Plantronics
    Type of headset- Call center headset
    Type of headset- Corded
    Wearing style- Monaural (On- the- ear)
    Sound output mode- Mono
    Microphone type- Boom
    Frequency response- 150 Hz- 6.80 KHz
    Remote control- Calls answer/ end, Volume, mute

connectivity: with wire,

length of cable: 2.4 m,

micro noise,

connectivity: usb

Input impedance: 32 Ω

Sensitivity (headphones): 94 dBV / Pa +/- 3 dB

Sensitivity (microphone): -17 dBV / Pa +/- 4 dB

Frequency response (headphone): 20 Hz to 20 kHz

Frequency response (microphone): 100 Hz to 10 kHz

Length of the cable: 2,33 m

Connections: USB-A compatible (1.1, 2.0, 3.0)

JABRA EVOLVE 20 MS STEREO USB ON-EAR, BINAURAL HEADSET Evolve 20 MS Stereo, USB-A Type: Stereo Connectivity: USB-A Optimized for: Microsoft Teams Earpad Type: Foam Earpads Noise-cancelling microphone eliminates background noise Exceptional sound for calls and music Call control unit for easy call management Plug-and-play connectivity Powerful 28mm drivers

Product type: Helmet

Wearable Headset Style: Head-band

Recommended use: Calls/Music

Headphone type: Binaural

Product color: Black, Red

Control unit type: Integrated control unit

Connectivity technology: Wired

jabra Evolve 20SE MS Stereo Headset Wired Head-band Office/Call Center USB Type-A Bluetooth Black