Motorola Whisper HZ850 Bluetooth Headset in Retail Packaging Innovative 4-mic Crystal Talk technology offers unrivaled audio quality and wind cancellation. A retractable boom lets you move the mic to make sure you're always heard. Clarity looks good with a sleek carrying case, brushed metal finish and slim retractable boom. Say what you mean with up to 6 big hours of talk time, or hold that thought until you need it with 6 days of standby time. Roam up to 300 ft. with amazing audio every step of the way.