Quiet point active noise-cancelling technology greatly reduces environmental noise Bluetooth wireless technology with in-line mic and controls for convenient handling of calls music playback and volume adjustment Convenient pendant-type design Powerful 12 mm drivers provide excellent sound reproduction Includes silicone ear-tips (XS S M L) Comply foam EARTIPS (M) 30 cm (1′) USB charging cable and protective pouch Included components: Headphones, silicone eartips (XS, S, M, L), Comply foam eartips (M), 30 cm (1′) USB charging cable, and protective pouch