The speaker based on U.S. patented technology is designed to enjoy beautiful music in water or in high-humidity environment, such as swimming pool, spa, sauna, etc. By connecting the speaker to the output of an audio system and putting it into water, you can listen to music underwater.  Please view www.esunpride.com for details.

Model: MA001
Cable: UL2464 AWG22/2C, cable length 33 feet (10 meters).
Frequency Response: 100 - 10,000 Hz
Max. Input Power: 20 Watts
Impedance: 4 Ohms/8 Ohms
Size: Height 66mm (2.625") x Diameter 66mm (2.625")
Unit Net Weight: 1.37 lb. (0.62 kg)
Sound Sources: 2
Sound Directions: 2
Color Available: Yellow, Blue, Orange, Red