, Ideal for: The mobile professional who relies on mobile phone for on-the-go communication , Connect to: For someone who needs to take and receive calls on a mobile phone , Audio performance: Crystal-clear Bluetooth audio quality with triple-mic active digital signal processing (DSP), & wind cancelling , Talk time & roaming range: Up to 7 hours of talk time and you can roam up to 98 feet (30 metres) , Global warranty & wearing style: 1-year warranty U.S. For global warranty, visit Poly website; lightweight over-the-ear headset ,