wireless multi room sound system

{"cid":"91184003","title":"Multi - Functional Wireless Conference Room Sound System\u00a0Voting Delegate Unit","imgUrl":"https:\/\/img.chinax.com\/nimg\/54\/52\/863514a23a957f56e20ce100d978-200x200-1.jpg","attrs":{"Price":"Negotiation","Brand Name":"VISSONIC","Model Number":"VIS-WVD-T","Minimum Order Quantity":"1","Delivery Time":"15 DAYS","Certification":"CE\/ISO901\/ROHS\/CCC","Place of Origin":"CHINA","Payment Terms":"T\/T, Western Union","Supply Ability":"10000PCS","Packaging Details":"CARTON","Button":"Touchable interface , no physical buttons","Sound Pickup":"Heart type capacitance","Display":"OLED display 128 \u00d7 32","Headphone volume":"10mW","Color":"Black","Frequency response":"20 ~ 20000Hz"}}

{"cid":"91221948","title":"DLP Projector For Large Rooms 500 Inch Huge Screen Optional Lens For Church","imgUrl":"https:\/\/img.chinax.com\/nimg\/09\/e2\/b1279a1f8bf193e99094f6b90925-200x200-1.jpg","attrs":{"Brand Name":"Yeoan","Model Number":"YAC801","Minimum Order Quantity":"5","Delivery Time":"15 days","Payment Terms":"L\/C, T\/T, Western Union","Packaging Details":"Packaging Box Dimensions (WxDxH mm): 574\uff08W)*554(D)*268(H)","Brightness":"8000lm","Standard Resolution":"1080P (1920 x 1080)","Display Technology":"DLP","Projection Light Source":"Laser","projection screen":"60-500\"","lens optional":"yes","Standard Lens Ratio":"1.17~1.88\uff1a1","contrast ratio":"5,000,000:1","Aspect Ratio":"Native:16:9 Compatible: 4:3\/16:10","Keystone Correction":"V\uff1a\u00b130\u00b0 4 Corner Correction","Lens shift":"V:\uff0b50%\uff5e10%\u3001 H:\u00b18%","Zoom ratio":"1.6x manual"}}