"Slip the BONE Horn Stand onto your iPhone for lo-fi amplification simplicity.
Using old-fashioned acoustical science, this silicone stand adds 12 decibels of sound pressure to your iPhone's speakers without asking for an erg of battery juice.
You can also use it to prop your iPhone into a vertical or horizontal viewing position.
For iPhone 4 only — not 3G or 3GS. "
Green, Black or Bone: $24.95 (iPhone not included).
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