The Wireless Bluetooth Headset offers top-rate sound with advanced audio features. Enhanced bass response, HD Voice, and aptX compatibility make for an incredible listening experience with full, rich, authentic sound for music and crystal-clear voice calls.3D Neck Behind design features an around-the-neck wearing style with a body-contoured fit. This Wireless Bluetooth headset is light yet powerful enough to provide up to 10 hours of music listening time and 10 hours of talk time on a single charge.Vibrating call alerts can also be turned on or off with the simple touch of a button. Should messaging be the preferred method for communicating, the Bluetooth Headset can read texts aloud with Text to Speech.Bluetooth Version : 4.1 Supported Bluetooth Profile:Headset,Head-Free,Advanced Distribution,Audio/Video Remote ControlCompatible with standard bluetooth-enabled mobile phone, media devices.