KLH 525 Center-Channel Speaker (Single Speaker) (Discontinued by Manufacturer) SUPERB AUDIO SOUND: Superb quality wireless headphones with latest Bluetooth 4.2 technology, provides pure, CD-like high quality stereo audio sound, easy compatible with wireless enabled devices like Phone X, 8, 8 plus, 7 plus 7, Android SmartPhone, Tablets, and more other wireless enabled music devices