Features:

Enjoy freedom from cords
No additional phone dongle is needed to enjoy 10 meters (30 feet) of range
Works with your Bluetooth-compatible phone or PC
Bluetooth v1.2 gives you adaptive frequency-hopping, quick connect time, and improved audio quality
Bluetooth ensures effortless and secure connections between mobile devices
Super lightweight: 14g
Earpiece Controls: One-touch Call Answer/End
Microphone Controls: Mute
Flexible Flip Clip allows the headset to be worn on left or right ear
Up to 7 hours of talk time and up to 300 hours of standby time
Logitechs patented WindStop Technology minimizes wind noise