I've had great luck with this set off of Amazon. We can stay in communication a good 1/4 mile away and they last quite awhile.. or we can sync to our individual phones and just jam to music. Wife said she couldn't tell I was on the bike when I took a call from her: "EJEAS V6 Pro Motorcycle Helmet Bluetooth Intercom Headset 1200M 2 People Full Duplex Wireless Motorbike Interphone Connect Up to 6 Riders for Motorcycling Skiing and Climbing (2 Pack)"
https://smile.amazon.com/EJEAS-Motor...07C98B7NX?th=1