Features:

Silent EQ pickup system for electric violin.
With volume and tone control knobs.
With 3.5mm LINE OUT, MIC and PHONE jacks.
Powered by a 9V battery.(not included)
Comes with a headphone and a 3.5mm to 6.35mm audio cable.

Specifications:

Color: Black
Material: Plastic
Item Size: 8.7 * 5.4 * 2cm / 3.4 * 2.1 * 0.8in
Item Weight: 40g / 1.4oz
Power: 9V battery.(not included)
SKU:VT0908-074

Note: The battery is not included

Package List:
1 * Pickup System
1 * Headphone
1 * Cable
4 * Screws