Top 10 Best Technical Communication 15th Edition

Used Book in Good Condition.

Consumer Alert Most users do not need a license to operate this wireless microphone system. Nevertheless, operating this microphone system without a license is subject to certain restrictions the system may not cause harmful interference it must operate at a low power level not in excess of 50 milliwatts and it has no protection from interference received from any other device..

Lightweight, Classic fit, Double-needle sleeve and bottom hem.

CARDO PackTalk BOLD JBL Headset DUAL Kit, 2 Headsets, PTB00101. UP TO 15 RIDERS, GREAT FROM 2 UPWARDS -- Up to 1600 meters 1Mi in perfect condition, but will get you close to 1000 meters in real life conditions, About twice as much as the competition. SOUND BY JBL --- Cardo-JBL partnership delivers for the very first time an ultimate listening experience whether you are tackling a mountain pass or just zooming down the freeway. -- Connect your unit to any Bluetooth headset of any substantial brand. -- Built-in FM Radio with RDS for automatic selection of the strongest signal whether you are in town, or in the middle of nowhere.. All the music you ever wanted streamed directly from your smartphone. Control, share and experience your favorite tune on the road.. Answer calls, make calls and control your mobile devices with a touch of a finger or the sound of your voice. No one will ever guess you are talking from your ride..

INCLUDES 1 ULSM Single-Ear Master Headset, 2 ULSR Single-Ear Remote Headsets, 3 Rechargeable Lithium Batteries, Dual Bay Multi-port Charger and a Softside Case. HANDS-FREE FULL DUPLEX Wireless headsets operate on 1.9 GHz frequency to avoid interference with other devices allows for simultaneous communication for 3 users. EXCEPTIONAL PERFORMANCE Up to 1,000 ft LOS wireless range up to 6 hours of talk time on a single charge pivoting microphone allows for the headsets to be worn on either left or right side.. GREAT CLARITY Noise-cancelling microphone that automatically mutes when pivoted upwards high-quality voice communication even in high-noise environments. PERFECT FOR video production, stage production, boat operators, drone operators, construction sites and more.

INCLUDES 1 ULSM Single-Ear Master Headset, 3 ULSR Single-Ear Remote Headsets, 4 Rechargeable Lithium Batteries, 8 Bay Multi-port Charger and a Softside Case. HANDS-FREE FULL DUPLEX Wireless headsets operate on 1.9 GHz frequency to avoid interference with other devices allows for simultaneous communication for 4 users. EXCEPTIONAL PERFORMANCE Up to 1,000 ft LOS wireless range up to 6 hours of talk time on a single charge pivoting microphone allows for the headsets to be worn on either left or right side.. GREAT CLARITY Noise-cancelling microphone that automatically mutes when pivoted upwards high-quality voice communication even in high-noise environments. PERFECT FOR video production, stage production, boat operators, drone operators, construction sites and more.