The SENA 30K-10 Motorcycle Bluetooth Communication System with WIFI uses a one-click button which instantaneously connects to a virtually limitless amount of 30K users within a mile range via mesh-network technology.Bluetooth intercom talk time of up to 13 hoursMesh intercom talk time of up to 8 hoursAdvanced Noise Control Noise CancellationFM Radio with 10 pre-set station memoryMesh Intercom Technology1.5 hours charging time20 minutes of charging equals 5 hours Bluetooth intercom or 3 hours Mesh Intercom Lithium Polymer BatteryBluetooth 4.1 with Headset Profile (HSP) and Hands-Free Profile (HFP)Advanced Audio Distribution ProfileAudio Video Remote Control ProfileBluetooth Intercom: up to 2.0 km (1.2 miles) in open terrainMesh Intercom (Closed Mesh): up to 2.0 km (1.2 miles) in open terrain*Mesh Intercom (Open Mesh): up to 1.6 km (1 mile) in open terrainSupports up to Bluetooth Intercom: 4 riders / Closed Mesh: 16 riders / Open Mesh: virtually limitlessThe SENA 30K-10 Motorcycle Blueto