Fits: 2019-2021 Yamaha FX and FX Cruiser Series Waverunners Yamaha exclusive EcoXGear Bluetooth speakers, custom cup holder mounts and supporting hardware for FX WaveRunners. IP67 Waterproof / Shock resistant / Floating 30W 4” woofer + separate tweeter for dynamic frequency response 12-17 hours of playtime Marine grade materials EcoTalk button for easy activation of Siri & Google voice EcoConnect paired out of the box for stereo listening; possible to de-pair and use independently One-touch off - turn off one speaker, other goes off too Bluetooth 4.2 streams wirelessly from up to 100 feet away Includes custom mount for FX unit integrated installaion