red laser pointer, easy to see on most backgrounds,

wireless range: 15 m

TECHNICAL CHARACTERISTICS
Dimensions (height x width x thickness):
37.8mm x 115.5mm x 27.4mm
Weight: 57 g

Receiver dimensions (height x width x thickness):
16.5mm x 58.6mm x 7.9mm
Receiver weight: 6 g

Black color

Laser class: Laser class 2

Max output level: Less than 1 mW

Wavelength: 640 ~ 660 nm (red indicator)

Battery type: 2 AAA batteries

Battery life (laser pointer): 20 hours maximum

Longevity of the battery (display device): 1050 hours maximum

Range of wireless connection: About 10 m 2

Wireless Technology: 2.4GHz Wireless Technology

Supported operating systems:
Windows Vista, Windows 7, Windows 8
Interface: USB

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)

LOGITECH COOLING MAT FOR LAPTOP

3D GLASS

Connector types: DVI, USB, GBE

Screens supported 2
USB 3.0 - Backward-compatible USB 2.0 / 1.1 hub ports
Fast-charge port (s) Yes
4K Support No
USB 3.0 bus type
Connector Types 1 - DVI-D (25 Pin) Female
1 - DVI-I (29 pin) Female
2 - USB 3.0 A (fast charge, 9 pin) Female
3 - USB Type-A (9 pin) USB 3.0 Female
1 - RJ-45 Female
1 - Mini-jack 3.5 mm (4 positions) Female
1 - USB Type-B (9 pin) USB 3.0 Female
Compatible networks 10/100/1000 Mbps
Analogue resolutions max. 2048x1152 (VGA)
Digital resolutions max. 2048 x 1152 (Dual-Link DVI / HDMI)
Lower resolutions are also supported.
Type and bit rate USB 3.0 - 5 Gb / s
Max speed 5 Gbit / s data transfer (USB 3.0)
2 Gbps (Ethernet, full duplex)

Webcam - PIZ - color - audio - Hi-Speed ​​USB

 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

number of usb ports 2.0: 7

• USB specification version 2.0

(data rates up to 480 Mbps)
• USB specification version 1.1 (data rates up to 12 Mbps)
• OHCI
• UHIC
• EHCI
Interfaces • Seven USB Type A USB (female) ports, white • USB Type B (female) port upstream
Connectivity Rules • Up to 127 devices
• Up to 5 cascading hubs
Power LED • Bus Powered (Blue):
• Standard charging mode
• Self-powered (green):
• Standard charging mode
• Fast charge mode
Supplied charging current1 • Standard mode:
• 500 mA total for the seven front ports
• Fast charge mode1
• Max. 1.5 A each for charging the battery
1.2 compliant devices
• Max. 2.4 each for iPad / iPhone
Power consumption • 5 V / 3 A DC

VoIP Wireless Speakers

Bluetooth 4.2 or USB

Omni-directional microphone

Operating distance up to 30 meters

Black color

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

Microphone sensitivity: -27 dB

Microphone frequency: 90 - 16000 Hz

Type: Table microphone

Sampling frequency: 48 kHz

Microphone direction type: Omnidirectional

Microphone mute: Yes

Noise reduction: Yes