Diy Wireless Bluetooth Speaker Module Diy Bluetooth Speaker Making Model Electronic Science Experim

DIY assembled Wireless Bluetooth Speaker kits set,educational science DIY experiments toy. Principle : Bluetooth Speaker Data transfer via Bluetooth technology, powered by 4 AA batteries(Battery is not included). Adopting -friendly wood material, no pollution, safe to use. Great scientific experiments lab teaching aids school supplies,Cool designed DIY scientific toy gifts for kids. High electronic components and accessories has stable performance, more durable. Note: Need to be assembled by yoursel. Colour:Photo Color Material:wood+plastic+metal+electronic accessories Finished size: 124 x 85 x 100mm Package Contents: 1 Wireless Bluetooth Speaker Module Kit (This is just a DIY kit, not a finished product; Battery is not included) Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.