- ERCD - Expansive Resonator Construction Design to give the best low frequency output. Compatibility: all iPods, MP3 players, CD players, laptops with 3.5-mm. Full-bodied, 360-degree sound with rich b
These things rock! 01/12/2013
This review is from: Kinivo 3.5mm Mini Speaker with Rechargeable Battery ZX100
I bought two of these for my oldest son to connect to his cell phone for portable jamming. The battery life on these things are astounding and the huge sound they put out is pretty incredible for their size. You can input sound to them through the standard 1/8" plug or via USB, so cord length is never really an issue as others have pointed out here. When connected together they give true stereo sound and again sound great. Heck, the boy even connected them to his laptop because they sound 100x better than the laptop speakers.
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