Acoustically designed silicon amplifier dramatically enhances the sound of your iPhone 4 or 4S. Features: Acoustically designed silicon amplifier dramatically enhances your iPhone 4 or 4S, Play music or make handsfree phone calls through this speaker and be shocked by the sound, No batteries required. Materials: Silicon. Colours: Black, White. Size: 80 x 45 x 55mm. Packing: Boxed. Decoration Position: Front of speaker. Print Size: 30 x 15mm. Price includes: Pad Print 2. Setup is included.