Inspired by classic designs from the '80s and '90s, Cassette features style, comfort, durability, and sound quality far beyond its price. Features: Bluetooth® Wireless Technology; Up to 22 Hours of Battery; Rapid Charge (10 minutes = 3 hours); Collapsible Design; Removable AUX Cable; Plush On-Ear Cushions; Pivoting Ear Cups; Durable Metal Headband; Microphone; Call, Track, and Volume Control; 2-Year Warranty