Wirelessly pair two Terrain speakers (sold separately) for immersive stereo sound, or connect up to 99 Skullcandy Multi-Link-enabled speakers (sold separately) to power audio for any crowd from one to 1000 Dual 48mm drivers produce rich and dynamic sound 90dB sound pressure level offers loud and clear playback Bluetooth 5.3 ensures stable wireless transmission with any Bluetooth-enable device Rechargeable battery with up to 14 hours of playtime ensures extended listening sessions without interruptions IPX7 waterproof rating safeguards the speaker against immersion up to 0.91m Dustproof and splashproof build makes it ideal for any outdoor adventure