Made of metal materials, strong and durable. The guitar effector is an important part of playing guitar. Excellent materials and details have a high performance in our experiments. This product is small in size and light in weight, making it an excellent present for music lovers and friends. Features - ColorBlue - Material: Aluminum. - Size: 9.00X4.95X4.00cm/3.54X1.95X1.57in. - Its material is , it is not easy to fade or break, and it can be used for a long time. - Its design is simple but easy to use, giving you a good experience and convenience. - When the real bypass is switched, no processing is performed on the output signal to ensure that the real output signal is not damaged. - Small and practical, light and durable, it can fully meet your needs. Very practical. - With reverberation duration and dry-wet ratio control knob, you can use the knob to 9 different reverberation scenarios. Specification - Input connection type: standard 1/4" interface mono/ - Output connection type: standard 1/4" interface mono/ - Power input: power supply, standard 9V DC (internal negative and external positive) - Working : 5mA (DC 9V) - Reverb type: 9-level adjustment Package list: 1 x Effector 1 x Manual 1 x Carton