Ellula Hot Air Inflatable Speaker Set (Blue) Ellula HotAir Inflatable Speakers NXT Multimedia Portable Speaker System -- Teal Blue Condition: New in the Box Includes: (2) x HotAir Inflatable Speakers, Amplifier, Electrical Power Supply, Battery Pack and Travel Bag Use With: Ipod, MP3 Player, Laptop, Computer, CD Player, Video Game Console, Tape Player, Portable CD, Cassette Player, Hi-Fi and TV, PC and Mac 360 degrees of sound. Powered by NXT exciter. 10 watts RMS audio output. Magnetically shielded. Frequency response: 50 hz-20 Khz. Power and volume control. Works with any audio source with a 3.5mm headphone/sound jack,