Bring chart-topping sound quality to your music with the Billboard Indoor/Outdoor Bluetooth Wireless Party Speaker with Microphone. Keep the party going without being stuck near a wall outlet with this versatile addition to your home audio system. With up to 50 hours of battery time, this 1500W wireless speaker is perfect for your next celebration. In addition to Bluetooth connection, this party speaker can play music from SD cards, USB flash drives, or an AUX cord to keep the music playing regardless of where its stored.