When the Bluetooth intercom systems came into the picture, they did have a few drawbacks, but with the development of technology they have evolved over the years.
EJEAS Bluetooth helmet intercom review - webBikeWorld
The BEST Motorcycle Bluetooth Headsets - Mad or Nomad
EJEAS V7 Bluetooth Motorcycle Helmet Intercom Motorcycle Bluetooth Headset With 700M Interphone Communicator For 7 Riders, BT V5.0, IP65 Waterproof Q230830 From Tonightt, $28.19
EJEAS V4 Plus Bluetooth Motorcycle Helmet Intercom Headset with 1500M BT Interphone Communicator for 4 Riders Waterproof
Motorcycle helmet Bluetooth intercom, Bluetooth 5.1 motorcycle earphone, with CVC noise reduction and FM radio function, capable of 4 riders talking simultaneously within the 1500M range (1 set) - KENTFAITH
EJEAS Q7 Quick7 Bluetooth 5.1 Quickly Pair Waterproof Motorcycle Intercom Helmet Headset Up To 7 Riders Wireless Interphone Q230830 From Tonightt, $30
4 Person - RRP696 PLUS Bluetooth Intercom System with Over the Head OTH Headsets, SXS ADDICTS
EJEAS V6 Pro Waterproof 6 Riders Motorcycle Bluetooth Helmet Intercom Interphone
2 PIN Full Face Close Helmet Motorcycle Race Headset Earpiece for Baofeng UV-5r gt-3 gt-3tp Ham Walkie Talkie Radio– Radioddity