Sena SF1 Bluetooth Communication System Double PackThe SF1 Bluetooth communication system is specifically designed for direct communication with the pillion rider, providing 2-way intercom communication with a range of up to 100 meters in open terrain. The SF1 can be paired with a smartphone or GPS device to stream music, make and receive calls and listen to navigation announcements. In addition, the SF1 allows VOX phone commands and features audio_Overlay, battery quick charge and microphone mute. The SF1 Bluetooth device for motorcycle helmets can be connected to the Sena SF Utility App (for iPhones and Android devices), which allows device settings to be configured and quick guides to be viewed. With the Sena SF Utility App, you have complete control over your ride.Features:supports Bluetooth 4.1intercom range: 100 m2-way intercomHD-Voiceaudio overlay functionfast chargingcontrollable via practical Smartphone-Appremote compatiblefast mountingvoice announcementsSpecifications:General: Talk time: up to 10 h / Operating temperature: -10 to 55°C / Dimensions: 73 x 38,7 x 16,6 mm / Weight: 35 gAudio: Adcanced noise control / integrated SBC codec / HD-Voice activates calls with high audio qualityIntercom System: up to 2 ridersBluetooth: Headset Profile (HSP) / Handsfree Profile (HFP) / Enhanced Autio Output Profile (A2DP) / Profile for Remote Control of Audio or Video Devices (AVRCP) / Bluetooth 4.1Battery: Charging time: approx. 2.5 h / Fast Charging: 30 minutes (Intercom up to 4 h) / Type: Lithium-PolymerRange: up to 100 m (in open terrain)Standards: CE, FCC, ICContents:2 x Sena head unit2 x Sena headset2 x glued mounting plate2 x holder for boom microphone2 x hook and loop fastener for boom microphone2 x hook and loop fastener for mounting plate2 x hook and loop fastener for wired microphone2 pairs of hook and loop fasteners for speakers1 x usb cablemicrophone sponges included1 x micro-USB cablemicrophone windscreens includedfoam speaker covers included