Wirelessly pair two Terrain speakers (sold separately) for immersive stereo sound. Connect up to 99 Skullcandy Multi-Link-enabled speakers (sold separately) to power audio for any crowd from one to 1000 48mm driver and 85dB sound pressure level combine to produce clear and balanced audio Advanced Bluetooth 5.3 chip ensures stable transmission across any Bluetooth-enable device, delivering reliable connectivity with a long range of up to 33ft. (10m) Rechargeable battery with up to 14 hours of playtime ensures uninterrupted music enjoyment throughout the day USB-C charging port lets you conveniently power up your speaker IPX7 fully waterproof design withstands immersion up to 3ft. (0.91m) for 30 minutes, making it perfect for traveling, camping, and other outdoor adventures Strong housing and seamless mesh fabric provide exceptional durability, ensuring the speaker stands up to any adventure