LG Tone Pro Hbs-750 Wireless Bluetooth Stereo Headphones - Black Hbs750 Plus Bonus Free 3ft USB Extender The TONE PROs 3D Neck Behind design features an around-the-neck wearing style with a body-contoured fit. This headset is light yet powerful enough to provide up to 10 hours of music listening time and 15 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 TONE PRO can read texts aloud with Text to Speech. The LG TONE PRO 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. Advanced Multipoint allows the TONE PRO to connect to two devices simultaneously and lets users switch from listening to music to phone operation with minimal effort. Includes Bonus Free 3 Foot USB Extender