TOA Aerobic Headset Microphone Speech Full Frame This product is only compatible

This product is only compatible with Canon Mount SIGMA 14mm F1

125-degree vertical viewing angles

Compatible with the SIGMA 70mm F2

4 DG HSM includes new features based around a unique lens concept and design

(Measured by installing the unit in the center

TOA Aerobic Headset Microphone Speech Full Frame This product is only compatibleThe WH 4000A is headset microphone of a cardioid pick up pattern, featuring a lightweight design. Besides, the WH 4000A is equipped with an adjustable band to fix the headset on your head. Type Electret condenser type Directivity Unidirectional Sensitivity 66 dB 3 dB (0 dB = 1 V 0. 1 Pa, 1 kHz) Maximum Input Level 120 dB SPL Cord Length 1. 3 m Terminal 3. 5 mm monaural plug Finish Headband: EVA, black Frame: Stainless, black (silicon rubber)