"Products Description HD Voice technology for an enhanced sound experience Stream multimedia �C GPS ， music and podcasts �C directly to your headset Status Display �C visual battery and connectivity status indicator Easy to use with accessible on/off slider and answer/end button Automatic Volume adjustment for added convenience Up to 6 hours talk time and up to 8 days standby time Package Included In Original Retail package Item Specification Bluetooth : v3.0 Auto Pairing : Yes Volume Buttons: Yes HD Voice Talk Time : Up to 6 hours Standby Time : Up to 192 hours Usb Charging : Yes Weight : 0.33 oz Dimensions : L 2.1 * W 0.6 * H 0.9 (inches) Package included: 1 x earphone 1 x USB Cable"