TThe SENA SFR-01 Low Profile Motorcycle Bluetooth Communication System is a great choice of intercom which is ideal for small groups of people looking to stay connected.13 hours talk timeBluetooth 4.1 with Headset Profile (HSP) and Hands-Free Profile (HFP)Advanced Audio Distribution Profile (A2DP)Audio Video Remote Control Profile (AVRCP)Working distance of up to 1.2 km (0.8 miles) in open terrainAdvanced Noise Control with built-in SBC Codec and wide volume controlBuilt-in FM radio with RDS AF (Radio Data System Alternate Frequencies)10 pre-set station memory with automatic scan functionLithium Polymer Battery charges in 1.5 hoursQuick Charge: 30 minutes of charging equals 4 hours intercomElectronics: CE, FCC and IC certificationThe SENA SFR-01 Low Profile Motorcycle Bluetooth Communication System has 4-way intercom functionality, providing connectivity perfect for small groups of riders. There is a range over 1.2 kilometres (.8 miles) so you can stay easily connected with your friend