Small, stylish and cool design, built for extra comfort ?CSR chipset, Bluetooth v1.2 (725Kps), anti-echo technology. ?Hands free and Headset profile support. ?Advanced auto-hopping technology and noise reduction. ?Changeable covers with different colors and designs available. ?Comes with attachable clip for convenience. ?Adjustable-angle ear hook ?Supports internet voice-conversation with Bluetooth adapter (i.e. ICQ, MSN, Netmeeting, etc.). (Bluetooth adapter not included) ?Light weight: 10.8g. ?Talk time: 6-10 hours. ?Standby time: up to 7 days. ?Colors available: metallic black, pearl white.