SENA SF402D

• 13 hour talk time
• HD speakers
• Wide volume control
• Built-in FM radio with RDS AF (Radio Data System Alternate Frequencies)
• 10 preset station memory with automatic scan function
• Advanced Audio Distribution Profile (A2DP)
• Audio Video Remote Control Profile (AVRCP)
• Hands-Free Profile (HFP)
• Headset Profile (HSP)
• Bluetooth 4.1 technology
• Advanced Noise Control
• Built-in SBC Codec
• Lithium polymer with 1.5 hour charging time
• Quick Charge: 30 minutes of charging equals 4 hours intercom

The Sena SF Series was designed to give riders the exact features they need for their ideal riding scenario. The Sena SF4 includes brand new capabilities such as Audio Overlay, Quick Charging and microphone mute option features. The Sena SF4 has a sleek and low profile design that will fit on almost any helmet.

For riders looking to communicate with their passenger, the Sena SF2 provides simple Rider to Passenger 2-way intercom communication up to 800m (880 yards) in open terrain. For those who ride in small groups, the Sena SF4 is equipped with 4-way intercom over 1.2 kilometers (0.8 miles). Both models 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.