DIGITAL SOUND PROCESSOR (DSP) FOR NOISE & ECHO CANCELLATION; MOUNTS ON A SUN VISOR USING A TWO-SIDED MAGNETIC CLIP; EASILY SWITCH SIDES WHEN MOVING SUN VISOR UP OR DOWN; SLIDING MICROPHONE SHAFT RETRACTS WHEN NOT IN USE; SUPPORTS VOICE DIAL ACTIVATION, REDIAL & CALL REJECT; MULTI-PAIRING UP TO 5 DEVICES; INCLUDES RECHARGEABLE LI-ON BATTERY; UP TO 15 HOURS TALK-TIME OR 800 HOURS/33 DAYS STANDBY; BLACK