Mesh / Bluetooth communication system, Mesh 2.0 and Bluetooth 5.2 technology in one device. Groups of up to 24 participants possible with Mesh, easy connection to other manufacturers with Mesh technology or Interphone devices with Mesh, Intercom-compatible with Sena, TFT and GPS systems, voice control for managing device functions. Voice output in various languages, Interphone UNITE app for easy configuration and control of intercom functions, display of installed firmware version and availability of new versions, display of battery charge level in percentage, selection of audio equalizer presets, pre-recorded voice messages, wind-resistant directional microphone, automatic volume control. Bluetooth connection to smartphones, navigation systems and other Bluetooth devices, conversation between intercoms with background sound from radio / GPS functions / music, audio playback (A2DP / AVRCP) from smartphones, vehicle multimedia systems (TFT), MP3 players and other Bluetooth players. 40mm HD speakers, range up to 1600m, active talk time with Mesh 18h (variable duration with background music / GPS / radio), full charge in 2.5h, standby up to 1000h, Waterproof IP67, black. Scope of delivery: Adhesive clip for helmet mounting, clip holder, 40mm HD speakers, boom microphone (jet and modular helmets) and adhesive (full-face helmets), USB-C cable for charging and connecting to computer. Battery standby 1000 h. Article type: Communication system. Main color: black. Protection class: IP67. Variation: Dual-Kit. Transmission standard: Bluetooth 5.2