RockOn Solo Rugged Waterproof Bluetooth Speaker Play music, take phone calls, and control your playlist wirelessly from up to 30 feet away with the built-in Bluetooth technology. The durable silicone exterior and IPX4 rating protect your speaker from splashing water and accidental drops. Great Sound quality in a small and portable design lets you enjoy your music wherever your adventure may take you. The 3.5mm auxiliary input lets you connect and device with a headphone jack to play your music without bluetooth.