Manufacturer: OHM Electric Model Number: HST-U70N This USB headset with a single-ear design is easy to use, allowing you to hear ambient sounds. It supports both left and right ears. 【 Features 】 ● USB headset that is easy to use and allows you to hear ambient sounds ● Supports both left and right ears ● For remote work, online gaming, video chat, and call centers ● Easy connection: Simply plug it into your computer's USB port and it's ready to use ● In-line controller allows for one-touch operation of microphone mute/unmute and other functions ● Bi-directional microphone that is less likely to pick up surrounding noise 【 Specifications 】 ■ Supported OS: Windows 10/8.1/8/7, macOS 10.12-10.15, Mac OS X 10.3-10.11, Chrome OS ■ Cord Length: Approximately 1.8m ■ Connection Terminal: USB terminal ■ Weight: Approximately 91g ■ Accessories: Controller (integrated with the cord) ≪Microphone Section≫ ■ Type: Condenser type ■ Directivity: Bi-directional ■ Frequency Band: 20-20000Hz ■ Impedance: 2.2kΩ ■ Input Sensitivity: -50dB±3dB (0dB=1V/Pa, 1kHz) ≪Headphone Section≫ ■ Type: Dynamic type (monaural) ■ Driver Unit: 30mm diameter ■ Frequency Band: 20-20000Hz ■ Impedance: 26Ω ■ Maximum Allowable Input: 20mW Product Number: 03-0634 Brand Name: OHM Electric Manufacturer Model Number: HST-U70N Color: Black ■ For remote work, online gaming, video chat, and call centers ■ Easy connection: Simply plug it into your computer's USB port and it's ready to use ■ In-line controller allows for one-touch operation of microphone mute/unmute and other functions ■ Bi-directional microphone that is less likely to pick up surrounding noise