SIHOO M57 B112 GREY ERGONOMIC OFFICE CHAIR thermal paste Sensitivity (microphone): -42 dBV/Pa +/-

Sensitivity (microphone): -42 dBV/Pa +/- 3 dB

Ideal usage - Home and Small office

simultaneous Fixed Focus and full HD function

Front: tempered glass+aluminum

Wireless and wired dual mode connection

SIHOO M57 B112 GREY ERGONOMIC OFFICE CHAIR thermal paste Sensitivity (microphone): -42 dBV/Pa +/-HIGH QUALITY & EASY TO ASSEMBLE SIHOO office chairs have been certified by BIFMA and SGS, passed 2000lbs static pressure test. It can carry a weight of up to 330lbs. Every part of this computer office chair has strict safety quality testing, cushion impact test, handrail fatigue test, chair foot static pressure test, ect. Simple instructions enable anyone to put chair together in eight simple steps! FOR LONG TIME SITTING The mesh back and mesh seat