Logitech H390 USB Headset - Black Heavy-Duty TV Cart Smart Ambient Technology: Lets in

Smart Ambient Technology: Lets in surrounding sounds when needed

High-yield ink: Get impressive print volume with up to 5

Dimensions: Not specified by Promate

Safe and Secure: The E-ABS anti-lock braking system and rear disc brake provide reliable stopping power

Weight: 11

Logitech H390 USB Headset - Black Heavy-Duty TV Cart Smart Ambient Technology: Lets inUSB Type A Interface Noise Cancelling Microphone Padded Headband and Plush Earpads In Line Volume and Mute Controls Headphone Wearing Style Dual Ear with Headband Earpiece Design On Ear (Supra Aural) Open Closed Back Closed Back Sound Field Stereo Number of Drivers 1 per Earpiece Driver Type Dynamic Active Noise Cancellation No Frequency Response 20 Hz to 20 kHz Sensitivity 94 dB Built In Controls No Sensors No Microphone Built In Mic Yes, on