Cobra Airwave Mini Rugged Wireless Bluetooth Speaker – $9.99 (retail $50)

The Cobra AirWave Mini Rugged Wireless Speaker may be small, but makes up for its size in power. Shock, dust and water resistant, this ultra-compact speaker is extremely portable and built to withstand just about anything thanks to its rugged metal construction and rubberized housing. With a battery life up to 10 hours and wireless range up to 30 feet, you can keep the wireless music going.