Features:
this adapter is compatible with the following MacBook Models:
?Note: requires Mac OS 10.13 High Sierra or later?
MacBook Pro:
MacBook Pro (15-inch Retina display Mid 2015)Model ID: MacBookPro11,5 (2.5GHz, 2.8GHz)    
MacBook Pro (13-inch Retina display Early 2015)Model ID: MacBookPro12,1 (2.7GHz, 2.9GHz, 3.1GHz)    
MacBook Pro (15-inch Retina Display 2014)Model ID: MacBookPro11,3 (2.5GHz, 2.8GHz)  
MacBook Pro (15-inch Retina Display 2014)Model ID: MacBookPro11,2 (2.2GHz, 2.5GHz, 2.8GHz)  
MacBook Pro (13-inch Retina Display 2014)Model ID: MacBookPro11,1 (2.6GHz, 2.8GHz, 3.0GHz)  
 MacBook Pro (15-inch Retina Display 2013)Model ID: MacBookPro11,3 (2.3GHz, 2.6GHz)    
MacBook Pro (15-inch Retina Display 2013))Model ID: MacBookPro11,2 (2.0GHz, 2.3GHz, 2.6GHz)

MacBook Air:  
MacBook Air (13-inch Mid 2017)Model ID: MacBookAir7,2 (1.8GHz i5, 2.2GHz i7)    
MacBook Air (11-inch Early 2015)Model ID: MacBookAir7,1 (1.6GHz i5, 2.2GHz i7)    
MacBook Air (13-inch Early 2014)Model ID: MacBookAir6,2 (1.4GHz, 1.7GHz)    
MacBook Air (11-inch Early 2014)Model ID: MacBookAir6,1 (1.4GHz, 1.7GHz)    
MacBook Air (13-inch Mid 2013)Model ID: MacBookAir6,2 (1.3GHz, 1.7GHz)    
MacBook Air (11-inch Mid 2013)Model ID: MacBookAir6,1 (1.3GHz, 1.7GHz)

Mac Pro:
Mac Pro (December, 2013) Model ID: MacPro6,1 (2.7GHz 3.0GHz, 3.5GHz, 3.7GHz)

Specifications:

Item Weight: 0.13 ounces/ 3.4g
Size: 0.9 x 0.5 x 0.1 inches/2.3 x 1.3 x 0.3 cm

Package includes:

1 x M.2 NVME SSD Convert Adapter