H2O Audio TRI 2 PRO and TRI Run: Sound for the Long Haul

H2O Audio TRI 2 PRO and TRI Run: Sound for the Long HaulTwo open-ear bone conduction headphones from H2O Audio: one for the pool and the pavement, one strictly for the road. The H2O Audio TRI 2 PRO on deck. masters set, open water, pool laps), the H2O Audio TRI 2 PRO ($199) is the one to buy. H2O Audio TRI Run ($99.99)Built for: Runners, cyclists, gravel riders, rowers, hikers, anyone whose training stays out of the water. Disclosure: H2O Audio provided the TRI 2 PRO and TRI Run for review, and we are keeping them.