add bluetooth to home stereo

{"title":"White Wall Rotary Knob Volume Control Impedance Matching For Ceiling Speakers Bluetooth Amplifier","imgUrl":"https:\/\/img.chinax.com\/nimg\/41\/74\/8c86fcc8d033ad66b77c98a1ef07-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"Vistron Audio,support OEM\/ODM","Model Number":"IWA-225","Minimum Order Quantity":"300 pcs","Delivery Time":"35-45 days","Certification":"CE,ROHS,FCC,ETL,etc","Place of Origin":"China","Payment Terms":"T\/T, L\/C, Western Union, Paypal","Supply Ability":"80000 pcs per month","Packaging Details":"One piece amplifier in a giftbox, 6 pcs amp in a carton","Type":"Wall Plate Mount amplifier","Channel":"2 channel stereo amplifier","Power":"2X25W RMS 4ohm","Frequency Respone":"20-20K Hz","Class":"Class D Wall Plate volume control","BT version":"Bluetooth wall panel amplifier","Usage":"Custom installation amplifier","Inputs":"Bluetooth, 3.5mm","Color":"White","OEM":"Yes, custom design as requests"}}