Stereo Bluetooth headset for wireless music plus call functionality With Memory card slot Unique around-the-neck design that's lightweight and comfortable for all-day use Exceptional audio with noise suppression and echo cancellation Convenient power slide switch Magnetic ear buds snap into place when not in use Music controls on neck strap Up to 10 hours of talk time and 15 days of standby time Compatible with All Bluetooth-enabled smart phones laptops MP3/4