ABS protective silicone, soft and wear-resistant protects the sound of the guitar, is soft and not easy to deform in collision, has good stability, reduces friction, and better protects the guitar. Lightweight and , foldable storage, Bluetooth connection, built-in resonance sound unit, transmission data 10M, can use about 6H, place guitar, guitar box resonance sound, can be used as audio Easy to install and durable in use. High Wear-resistant and excellent durability. 100% Band new and high quality. Name: guitar box sound bracket with resonant Bluetooth speaker Material: ABS+ silica gel+aluminum alloy Color: silver Size: 23 x 30.5 x 27.5cm. Weight: about 585 grams Package Contents: 1 x Bracket 1 x charging line 1 x Chinese and English instructions 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.