mesh intercom™, a step above the rest One click of a button instantaneously connects to a virtually limitless amount of 30K users within a mile range via mesh-network technology. With a more stable connection the 30K also intelligently searches for intercom connections when they are lost and automatically reconnects once back in range - without affecting the rest of the group. The 30K does the multitasking so you don t have to The additional Bluetooth processor also allows for Audio Multitasking™ so you can have a conversation via Mesh Intercom™ while simultaneously operating Bluetooth such as streaming music, taking or making phone calls, or listening to GPS navigation. Connect in more ways than ever before Connect with virtually limitless 30K Mesh-Network device users in public mode,16 other riders and unlimited guests in Private Mode or even connect via the 3 additional Bluetooth intercom connections with the option to bridge Bluetooth users into the Mesh group. The 30K wifi pack keeps you up to date and ready to ride Take Mesh-Networking communication to the next level with the 30K WiFi Pack, which includes our brand new WiFi Docking Station. Once set up through the 30K utility app, the WiFi Docking Station will automatically or manually (based on your chosen setting) update your 30K with our most recent and top of the line firmware while charging. general Talk time: Bluetooth intercom: 13 hours Mesh intercom: 8 hours Operating temperature: -10°C - 55°C (14°F - 131°F) Dimensions: Main module: 102 mm x 56 mm x 27 mm (4.0 in x 2.2 in x 1.1 in) Speaker Driver Unit: 40 mm – thickness 6.5 mm Boom microphone: length 190 mm Wire between Speakers: length 555 mm Weight: main module - 61 g (2.15 oz) bluetooth Bluetooth 4.1 Headset Profile (HSP) Hands-Free Profile (HFP) Advanced Audio Distribution Profile (A2DP) Audio Video Remote Control Profile (AVRCP certificates FCC, IC audio Noise Cancellation: Advanced Noise Control™ Codec: Built-in SBC Codec FM Radio: Radio frequency specifications: 76 ~ 108MHz 10 preset station memory mesh network Mesh Intercom ™ Technology battery Charging time: 1.5 hours Quick Charge: 20 minutes of charging equals 5 hours Bluetooth intercom or 3 hours Mesh Intercom Type: Lithium Polymer Battery intercom Working Distance: Bluetooth Intercom: up to 2.0 km (1.2 miles) in open terrain Mesh Intercom (Private Mode): up to 2.0 km (1.2 miles) in open terrain* *Can extend up to 8.0 km (5.0 miles) between a minimum of 6 riders Mesh Intercom (Public Mode): up to 1.6 km (1 mile) in open terrain Supports up to: Bluetooth Intercom: 4 riders Mesh Intercom (Private Mode): 16 riders Mesh Intercom (Public Mode): virtually limitless