Sena SF4 motorcycle intercom 4 channels 1200 m Black, Grey

For riders looking to communicate in small groups, the SF4 is equipped with 4-way intercom over 1.2 kilometers (0.8 miles). The SF4 let riders enjoy smartphone connectivity. Riders can listen to music and use the intercom simultaneously using the Audio Overlay™ feature. Please note that Audio Overlay works best with Android devices, while iOS offers limited functionality.Sena SF4. Channels quantity: 4 channels, Maximum range: 1200 m, Bluetooth profiles: A2DP, AVRCP, HFP, HSP. Product colour: Black, Grey, Certification: CE, FCC, IC. Talk time: 13 h, Battery technology: Lithium Polymer (LiPo), Charging time: 1.5 h. Weight: 35 g, Width: 73.3 mm, Depth: 16.6 mm. Cables included: AC, USB