Aliph Jawbone Bluetooth Headset (Silver/Grey) Product includes: Jawbone Bluetooth Headset ; Wall Charger; USB Charger; Earloops and earbuds in assroted sizes, and User & Warranty information Adaptive noise cancellation-adjusts your call's volume after measuring ambient noise around you Eye-catching design The Jawbone can be worn on either ear and offers earloops in four different sizes Jawbone's ergonomic design enhances the acoustic performance and keeps the device lightweight, stable and comfortable