Description: 100% brand new and high quality! The amplifier holder enables you to share your music through passive sound amplification. The sound can be increase 6-20 dB volume. Adopts the principle of speaker, not need to use power, the music from the phone can be naturally amplified, clear, pleasant. This phone holder is really a practical partner in your daily life. Size of slot about 6-10mm thickness, suit for most smartphones that is 6-10mm thickness. It makes you enjoy the pleasure of music and phone hand-free using.
Specification: Material: ABS Color: black Size(approx): 2.3*8cm