iLive Bluetooth Wireless Stereo Headphone Digital Volume Control & Up To 8 Hour Battery Life, Bonus FREE Carry Pouch Included Bluetooth Stereo Headphones, Supports Bluetooth v3.0 & profile A2DP (Advanced Audio Distribution Profile) Adjustable headband & Digital volume control Nominal impedance: 32ohms, 3.5mm audio input Built-In Rechargeable Lithium Ion Battery with up to 8 hrs of audio 3.5mm Audio cable, USB Cable, Bonus FREE Carry Pouch Included