Enhance the volume of your iPhone's audio
- Designed for use with the iPhone 4/4S for a customized fit.
- Built-in sound amplification increases the phone speaker volume by up to 2 times, so you always hear sounds and words clearly.
- Acoustic amplification does not drain your battery, helping to ensure you have plenty of battery life for other iPhone applications.
- Installs securely on your windshield or vent. Cradle is big enough to fit your phone while in its case, yet secure enough to hold over rough terrain.
- Flexible arms let you insert and remove your phone with a single hand.
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