HJC Smart 21B Communication System Single PackThe SMART HJC 21B is the standard 2nd generation Bluetooth communication system that supports 21B compatible HJC helmets and has structural interfaces that users can easily attach to HJC helmets. Based on the BT 5.1 low-power system, the 21B offers a 4-way Bluetooth intercom function with a talk time of over 22 hours. The enhanced sound provides users with an HD speaker that enriches mid to low tones.Features:The 2nd generation SMART HJC premium Bluetooth communication system models feature an all-in-one design that is fully integrated into the helmetDeveloped together with SENA and tailored specifically for HJC helmets.With the smartphone app, you can quickly and easily control various functions of the SMART HJC communication system and also view the Quick Start GuideSpecifications:4-way intercomUniversal intercom with a range of up to 1.6 Km (on open terrain)Audio MultitaskingCustomized helmet fitHD speakersAudio MultitaskingBluetooth:Bluetooth 5.1Control Unit:Power on/off, call answer/hang up, volume +/-Main unit:Long lasting power (up to 13 hours)Battery unit & PCB unitMic Set:Boom type: Applicable for Modular & JET helmetsWire type: Applicable for Integral helmetsCompatible with:RPHA 31RPHA 71RPHA 91i71Contents:1x Headset main unit1x Wired boom microphone for modular/open helmets2x Microphone attachments for wired boom microphone1x Wired microphone for full-face helmets1x Velcro fastener for fixing the wired microphone2x Screws1x USB charging and data cable (USB-C)1x Hexagon sockets key
