LG TONE INFINIM provides cutting edge design, convenient technology, and a high level of performance and reliability in a mobile device. The sleek metallic finish and ergonomic design will get you noticed, and Harman Kardon Signature Sound delivers premium audio quality. Retractable earbuds provide a simple, unique approach to cord management. Plus, the easy access jog button allows for fluid one-touch volume and music control while ear gels provide a comfortable solution for all-day wear and use. AptX compatibility delivers lifelike sound for enjoying music while features such as HD voice and a MEMS microphone allow for crystal-clear voice interactions. Tone & Talk application supports SMS Reading on Android devices. Current time alert, Battery Status alert and vibration on/off functions are also available. delivers a high-end wireless experience with unrivaled style Jog Button: Fluid, one-touch volume and music control, Stylish & Sleek Design Retractable Earbuds with Wire Management, aptX Compatible Talk Time: Up to 17 hoursStandby Time: Up to 23 daysMusic Play Time: Up to 14 hoursCharging Time: Less than 2 hours Bluetooth Version: 3.0Supported Bluetooth: Profiles A2DP, AVRCP, HFP, HSP