Specifications: Model: HK-620 Pick-up: Electret condenser capsule Directivity: Cardioid pickup pattern SNR: MIC: 105dB, Music: 110dB Frequency Response: 70Hz~22kHz +/- 2dB Output Power(16 Ohms): MIC: 10mW; Music: 90mW Total Harmonic Distortion(THD): MIC: less than 2%; Music: less than 0.03% Charging Source: DC 5V more than 0.6A Power Supply: Built-in lithium battery 1500mAh Charging Time: 4-5 hours Surface Treatment: Polish via anodizing Colour: black Material: aluminum alloy Size: 15.3 x 3.6 x 3.6cm Package Contents: 1 x microphone 1 x USB charging cable 2 x audio cable 1 x English manual Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.