1. The amplifier allows you to share your music through passive sound amplification. The sound can increase the volume by 6-20 dB.
2. This amplifier adopts the speaker principle, no need to use the power so that the music of the phone can be naturally amplified, more clear, pleasant, and superior.
3. Place your phone in the holder horizontally, then you can free your hands when watching movies or making video chat/call with your friends! This phone holder is really a practical partner in your daily life.
4. Slot size about 6-10mm thick. Fits most 6-10mm thick smartphones. It allows you to enjoy the pleasure of music and hands-free use of the phone.
Size ： 2.3 * 8cm
Packing list: Mobile phone holder*1