Riff Wireless comes in four different colorways to reflect your unique style. Complement your look with colors that pop, a soft-touch finish, and plush ear cushions. Riff Wireless perfectly blends simplicity and technology. You get bold sound quality and convenient features that make your life easier. Without unnecessary extras. * Bluetooth Wireless Technology * 12 Hours of Battery Life * Rapid Charge: 10 Minutes = 2 Hours * Ultra-Durable Headband * Call and Track Control * Activate Assistant * Includes: Riff Wireless Headphones, 1.2m USB Charging Cable, and User Guide & 2 Year Warranty Guide Tech Specs: * Sound Pressure Level (1mW @ 1KHz pink noise): 98dB * Connection Type: Bluetooth® 4.1 or Wired * Impedence: 32 ohms * Driver Diameter: 40mm * Frequency Response: 20Hz - 20KHz * Total Harmonic Distortion: