Features:100% Brandnew and high qualityCompact,comfortable to use and easy to carryHelp you tohandle with numbers more professional and efficiently wherever and wheneverKeyboardcomes with 18 keys of 0..
100% brand new and high quality
Polar Pattern: Cardioid
Frequency range: 20 to 20,000 Hz
Sensitivity: -34 dB±2 dB (0 dB=1V/Pa at 1kHz)
Max. SPL: 132 dB (at 1kHz≤1% T.H.D)
Equivalent noise l..
100% Brand new and high quality.
Tactile Functions: including mouse movement, left mouse button, right mouse button and mouse scroll wheel.
Keyboard function: virtual keyboard function can ..