Keep the parties going late into the night thanks to the Monster Superstar Firecracker Speaker, which features 7 hours of battery and built in flashlight. Carry the Monster Speaker along with you with the heavy duty carabiner; rests assure it will with stand the elements with the durable cabinet while being water proof. Speaker Features Battery Life: Up to 7 hours Wireless Connection: Bluetoothテつョ Water Resistant: Yes