Optimised for linking up with up to three other riders, the SF4 is outfitted with a robust electronics package for establishing a clear connection over 2000 yards. Link up with your friends on board Sena's RideConnected app and enjoy other smart phone spoils like navigation, calls and tunes. The SF4 includes two different microphone options so it can be installed in just about any full face, open face or modular helmet.

Features:

• Talk time: 13 hours
• Operating temperature: -10˚C - 55˚C (14°F - 131°F)
• Speaker: driver unit 38mm – thickness 10mm
• Boom microphone length: 183 mm
• Module: 35 g (1.23 oz)

Bluetooth:

• Headset Profile (HSP)
• Hands-Free Profile (HFP)
• Advanced Audio Distribution Profile (A2DP)
• Audio Video Remote Control Profile (AVRCP)
• Bluetooth 4.1

Intercom:

• Working distance: up to 1.2 km (0.8 miles) in open terrain