Stream music from your smartphone, tablet, or any Bluetooth enabled device or take a call mid-playlist . Integrated buttons allow you to answer calls through the headset, adjust volume and skip music tracks. Compact folding mechanism allows for easy pack-ability. Charging time: approximately 2 hours. Playback time: approximately 6 hours. Auxiliary 3.5mm cable included for optional, non-Bluetooth plug-in capability. Built-in lithium battery can be charged with the included micro USB cable (250mAh). Bluetooth operating distance of up to 30 feet. Drawstring storage pouch and gift box included. Gift box dimensions: 7.5L 7.3H 3.3W. Bluetooth: QDID: 110839. Passive Noise Cancellation reduces unwanted noise without sacrificing sound quality