bt 5 3 headphones 118db sensitivity

{"cid":"91218987","title":"Vintage Bluetooth Headphones ,40mm Drivers, 29H Playtime, BT 5.3, 118dB Sensitivity","imgUrl":"https:\/\/img.chinax.com\/nimg\/e9\/10\/293060d4881d7f5b182f4ae983ff-200x200-1.jpg","attrs":{"Brand Name":"ETEK","Model Number":"AHP43-7110\/7111","Minimum Order Quantity":"3000pcs","Delivery Time":"25-30 Working Days","Place of Origin":"China","Payment Terms":"L\/C,T\/T","Packaging Details":"Color Box","Type":"Vintage Bluetooth Headphone","Speaker specification":"\u03a640mm","Speaker impedance":"32\u03a9","Sensitivity":"118\u00b13 dB","Playback timesensitivity":"\u226529H","Bluetooth profile":"A2dp\\avctp\\avdtp\\avrcp\\hfp\\spp\\smp\\att\\gap\\gatt\\rfcomm\\sdp\\l2cap profile"}}