Maximum Intercom Distance :500M. Intercom function: yes. Bluetooth version: 5.4. SD card playback: Yes (supports 32-256G expansion). Resolution: 1960 1080P. Photos: Yes. Video recording: Yes.
Martian Motorcycle Bluetooth Helmet Modular Full Face Flip up Dual Visor Bluetooth Headset (2 Riders Intercom; 500 Meters): HM-BH1
Martian Motorcycle Bluetooth Helmet Modular Flip up Full Face Dual Visor Integrated Bluetooth Intercom Headset
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