dual rail humbucker pickup 57mm

{"cid":"91221703","title":"Active Sound Hole Guitar Pickup with Mic Humbucker Acoustic Folk Guitar Volume Control Sound Hunter AC-3G","imgUrl":"https:\/\/img.ismap.com\/nimg\/db\/2b\/5b8fc0099c9f1a8ebae72c439adc-200x200-1.jpg","attrs":{"Price":"26.79","Brand Name":"Alnico","Model Number":"GMB341","Minimum Order Quantity":"10","Place of Origin":"China","Packaging Details":"Box","Weight":"277 G\/Set","Led Indicator":"On\/Off","Housing Material":"ABS","Type":"Active Pickup With MIC,Double Coil,Dual System","Power Supply":"Battery","Compatibility":"Acoustic Guitars","Dimensions":"103.7*31*40 MM"}}