Cellular Innovations Over-the-Head Professional Hands-Free Headset Noise-diffusing 320deg Revolving Boom Microphone With Adjustable Headband Bluetooth V2.0 Technology 1-touch Answer/end Button Includes Ac Home Charger, Usb Charging Cables & 2 Extra Microphone Diffusers Universal rechargeable headset works with any bluetooth-enabled phone Up to 6 hours of talk time Up to 250 hours of standby Background noise isolating earpads Boom mic, ac and usb chargers included