Sena SF4 HD Bluetooth Intercom Dirt Bike Chains & Sprockets Hd-poly - high density polyester

Hd-poly - high density polyester outer shell

Aero Skirt (Chin Curtain) included helping reduce wind noise

Talk time: up to 11

Simply remove the belt of the broken snowmobile

Sena SF4 HD Bluetooth Intercom Dirt Bike Chains & Sprockets Hd-poly - high density polyesterSena SF4 HD Bluetooth Intercom SMALL GROUPS CONNECTIVITY & COMMUNICATION The SF4 is the perfect device for riding with friends by providing connectivity for small groups. The SF4's 4 way intercom has a range over 1. 2 kilometers (. 80 miles) so you can easily stay connected with your group in open terrain. The SF4 also uses smartphone connectivity, allowing for music streaming, taking and making phone calls, and hearing turn by turn GPS directions.