1. Fashionable appearance design embellishes your desktop, condenses the aesthetic standards of lifestyle, and grasps the essence of fashion trends. 2. Multi-device compatible wireless Bluetooth smart connection compatible with most Bluetooth devices on the market Bluetooth signal connection stable Bluetooth 5.0. 3. USB power supply is fast and practical Type-C USB power supply, low power consumption, small size, easy to use. 4. One hand to hold the walkman listening small and beautiful body, only the size of the palm, easy to play and carry with you without pressure.Use in multiple scenes, both indoors and outdoors. 5. Note:This kit contains the accessories required for 3D printing of renderings. When you receive it, it only contains the accessories, not the renderings. Product name: DIY Bluetooth speaker Kit Built-in battery capacity: 400mAh Connection: Bluetooth 5.0 Audio range: 20Hz-20KHz Signal-to-noise ratio: 260dB Waterproof level: non-watertight Effective range: 10m Speaker specifications: 4Ω3W Ф40-19H Working voltage: DC5V Due to different batches, the product appearance and printed text may be different, but it will not affect the use Colour:As Shown Material:ABS Package Contents: 1 x Motherboard 1 x Amplifier 1 x Battery 6 x Screws (M1.4 x 4mm) 1 x Type-C USB charging cable 80cm 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.