CP0398X Features Delicate design with a slim appearance High sensitivity and clear voice Supports the recording function Equipped with a ON/OFF switch Suitable for the network game， network chat， video conferences and any other applications General Specs Brand & Model K1 Noise  ≤50dB Sensitivity -58dB ± 2dB Directivity Omni-directional Impedance  2.2kΩ Frequency Range 100Hz-10000Hz Cord Length 1.5 m Voltage DC 4.5V  Package Details Weight: 326.35 g Size: 24.5*14.3*11.7 cm