Features: Different timbres: Can be placed on any part of the instrument according to personal preferences to achieve different output sound effects. No need for drilling: compact size, convenient installation, easy to stick, without damaging the guitar body. Reject interference: not affected by the external environment, including electromagnetic interference from mobile phone signals at the performance site, high silence, and acoustic output signal effects. Easy to use: Equipped with hook and loop clasp, attached to the guitar body connector and inserted into a 6.35mm connecting wire, it can be rotated 360 degrees to facilitate connection of speakers from different angles. No battery drive required: compact appearance, easy installation, and double sided adhesive tape on the back. Once glued, you can choose different installation locations to get your favorite sound color according to your personal preferences. Specifications: Material: Abs+Rubber+Electronic Components Length: Approx. 40.7cm/16.02inch Note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Pickup