Bone Collection Horn Stand universal Passive holder Black

Horn Stand for iPhone 4/4S, Black - Perfect for turning your iPhone 4S and iPhone 4 into a speakerphone.
- No external power needed.
- 13db amplified.
- Easily keep iPhone stands vertically and horizontally.
- Functions well in hand free mode.
- Additional opening reserved for charger.

Bugle Loudspeaker
Using the principle of the bugle, concentrating the voice and direct the conduction direction in order to reach the effect of increasing the volume, it can increase 13 db after use and does not need any supplementary electricity, it is absolutely environmental friendly.