Jabra Evolve 20 Stereo Headset - USB-Cable with Controller Energizer Powered with 802

Powered with 802

24/7 HEART RATE: Use 24/7 heart rate to better track calorie burn

Pack of 4 Pre-Charged (Ready to use) AA 2500mAh Ni-MH Eneloop Pro Rechargeable Batteries

On-Wrist Skin Temperature Sensor: Sense logs your skin temperature each night to show how it varies from your personal baseline

3 sets of EarGels

Jabra Evolve 20 Stereo Headset - USB-Cable with Controller Energizer Powered with 802Passive noise cancellation for ideal concentration: Keeps high frequency noise such as human voices out for better work collaboration and listening experience in any environment Easy call management: External sound controller allows for making, taking and muting calls Stay connected and available at all times This Evolve 20 headset is Microsoft Certified and built for style and comfort with soft foam ear cushions Adjustable headband lets you find the