[Versatile Pickup System]This product features a combination of magnetic coil and microphone pickup system, making it compatible with all types of acoustic and classical string guitars. It offers a variety of sound effects and impressive sound quality, ensuring a long-lasting performance. [BT Accompaniment]Equipped with dual-mode BT 5.0, this guitar pickup system supports accompaniment. You can play popular music, metronomes, or d machines from your phone, making it perfect for music production or impromptu live performances. [Superior Sound Quality]With digital noise reduction technology, this pickup system delivers more pleasing sound. It features a specially designed dual-coil pickup between the strings, offering higher sensitivity and fidelity. The three-band EQ can be freely adjusted, making the melody of the guitar smoother. [Resonance Enhancement]The built-in resonance enhancement technology increases the sound of the guitar body by 30%-50% without the need for an external speaker. This feature makes the tone more pleasing to the ear. [Ergonomic Design & Easy Installation]This pickup system is designed with ergonomics in mind, making it user-friendly and easy to install. The piezoelectric ceramic pickup bar offers a more dynamic sound experience. The side hole design allows for easy self-installation. Plus, it comes with a large capacity 2600mA rechargeable battery, ensuring uninterrupted music inspiration. Wireless Type: Bluetooth Battery Capacity: 3.7V/2600mAh Horn Power: 4 / 5W Colour:Black Material:plastic Package Contents: 1 x Guitar Pickup Kit(Due to different product batches, the appearance , which does not affect the use) Only the above package content, other products are not included. Note: Light reflection 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.