100db sound proof box for phone

{"cid":"91220987","title":"M size 2 person talking reduce noise for 35db+- sound proof cabin","imgUrl":"https:\/\/img.chinax.com\/nimg\/e8\/05\/1b53828ec7a74f68e0d4aa162ece-200x200-1.jpg","attrs":{"Price":"1680-4500","Brand Name":"silent box","Model Number":"S, M, SL, L, XL","Minimum Order Quantity":"1 PCS","Delivery Time":"20-25 days","Certification":"SGS, ISO 9001,UL, CE","Place of Origin":"China","Payment Terms":"L\/C, D\/A, D\/P, T\/T, Western Union","Supply Ability":"500pcs","Packaging Details":"hard carton package","package":"one hard carton","size selection":"small size, middle size, large size, S large size, X large size, and other cutsomized size","accessories":"optional","Door details":"door closer, lock, key are available","power":"220V","apply for":"1-6 people","Application":"Office \/ School \/ Home \/ Recording \/ Exhibition Hall \/ Library \/ Hospital \/ airport \/ meeting\/ Live \/Work\/ Study\/ Shopping Mall ect.","Materials":"Steel, Aluminum, Fiber acoustic board, laminated glass"}}