Terrain XL makes bass and full sound portable. Great for your bonfires post-hike camping tailgates and more. Passive radiators support a powerful bass punch. Skullcandy Multi-Link - link up to 99 Multi-Link enabled speakers. Link two Terrain speakers for fulls tereo sound. IPX7 Rated waterproof and impact resistant design. Up to 18 hours of playtime so the party won't end. Wirelessly stream with Bluetooth v5.3. Drivers: 2 x 48mm. Sound pressure level: 95dB. Dimensions: 7.5" x 3.5" x 3.5". Includes charging cable and wrist strap.