Sonim XP5s Hands-Free Car Kit 3M Peltor the headset will turn off

the headset will turn off after 4 hrs of non-use to save battery

Advanced MT33 Boom Microphone - 18dB noise cancellation (3x better than legacy mics) for clear transmission in extreme noise environments

and applications where extended range is critical

Type: Electret differential microphone

3M Stock#: 7100155939

Sonim XP5s Hands-Free Car Kit 3M Peltor the headset will turn offSonim XP5S Hands Free Car Kit was designed as a Mobile Hands Free system with MIL Specs Specifications to provide a Single Hand Operation (SHO) for safer use of Robust PTT handheld in both Inter Connect and Push to Talk (PTT) modes Kits include junction box, 10 watt external speaker, remote PTT button, noise canceling visor mic, power cable, and phone cradle. Features Single Hand operation Robust Mobile Hands Free Communication Device Flame Retardant