set2: 1 Set x Violin EQ Pickup (Not including battery) + 5 x violin bridge Cut and fitted, ready to play Can be easily shaped to fit your strings and violin Great accessories for violin Active tone control system, no noise, perfect for a electric violin. High quality silent EQ pick-up produces nice and charming sound. DIY your electric violin through the electric violin pickup outfit. With tone control & volume control, easy to adjust. With 6.35mm output and 3.5mm headphone jack, convenient to connect. size:5 x 4 x 0.5cm Color: Black/Wood color Material:Wooden/Plastic + metal Tone Control: 12dB Volume Control: 0-10 Frequency Response: 20Hz~20KHz Power Supply: 1 x 9V battery(not included) Note: This item is not including the battery. Package Contents: 1 Set x Violin EQ Pickup (Not including battery) 5 x violin bridge Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.