5S BLUETOOTH COMMUNICATION SYSTEM SINGLE PACK KEEPS YOU CONNECTED AND IN THE LOOP.Bluetooth 4.1 and Universal Intercom.Born from the legendary Sena SMH5, the Sena 5S is the next-generation of feature-rich and value-packed intercoms from Sena. With this easy to use and accessible unit, you get High Definition in-helmet speakers, High Definition two-way intercom, and integrated LCD screen; all the features you need at an amazing value. The 5S with Bluetooth® 5 keeps you connected to your riding companion or passenger with HD Sound quality, music sharing, and audio equalizer profiles built right in. With even more features packed in, it also lets you answer phone calls hands-free, listen to FM Radio, and hear your GPS prompts. The 5S features a Helmet Clamp Kit and Boom Microphone. The Jog Dial makes for an intuitive user interface that is much easier to control while riding, which means you'll ride safer.Talk time: 7 hoursDimensions: Speaker driver unit: 40 mm – thickness 7.2 mm Wire boom microphone: length 183 mm Wire between speakers: length 700 mm Weight: Main Module: 48 g (1.69 oz)Operating temperature: -10°C - 55°C (14°F - 131°F)BLUETOOTH Bluetooth 5.0 Headset Profile (HSP) Hands-Free Profile (HFP) Advanced Audio Distribution Profile (A2DP) Audio Video Remote Control Profile (AVRCP) INTERCOM Up to 700 m (760 yds) in open terrain 1-to-1 Intercom, Pairing list: 3 AUDIO Advanced Noise Control™ Built-in SBC Codec Wide volume control Sample rate: max. 48 kHz (DAC) FM RADIO Built-in FM radio with RDS AF (Radio Data System Alternate Frequencies) Radio region: worldwide Radio frequency specifications: 76 ~ 108MHz 10 preset station memory with automatic scan function BATTERY Charging time: 1.5 hours Lithium Polymer Battery 3.7V 420mA, 1pcs CERTIFICATES CE, FCC, IC APP Sena Utility App