THANKO Perfect for web speakerphone Omnidirectional with microphone Microphone mute function Speaker mute function Easy USB connection conferences!

[Size] Main unit: Width 200 x Height 25 x Depth 40 (mm) Mouse pad: Width 200 x Height 4 x Depth 290 (mm) [Accessories] Main unit, USB cable (180cm), mouse pad, Japanese instruction manual [Speaker] Maximum practical output: 1W Frequency response: 20Hz-20KHz Speaker resonance frequency: 580Hz-20KHz Impedance: 4Ω Sound pressure level: 80±2dB [Microphone] Directivity: Omnidirectional Frequency response: 80Hz-15KHZ Sound pickup range: 2-3m Sensitivity: 34dB Echo cancellation: None Noise cancellation: None [USB hub] 3 USB Type-A ports Supported OS: Windows Data transfer speed: USB2.0 480MHz