Description Description: brand new and high quality Features: Volume adjustable, with a control knob Fit for most of instrument, such as guitar, ukulele, violin, etc. Easy to install, can be sticked near sound hole with self-adhensive, which can be reused Mini design, comes with 10 ft amplifier cable(standard 1/4in connector) Specification: Material: Plastic and Metal Color: Black and Red Size:app. 3.6 x 3.6 x 1.97cm / 1.41 x 1.41 x 0.77in Quantity: 1set Note: Transition: 1cm=10mm=0.39inch No retail package. Please allow 1-2cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 x Microphone Pickup(other accessories demo in the picture is not included.)