Features: 1. Using high-quality materials, the quality is guaranteed 2. Simplified components, easy to use and fast welding 3. High-quality 3W speakers 4. Stereo sound, shocking sound quality 5. Light and delicate shape, does not take up too much desktop space Material: plastic+metal Color: as shown Parameter: Delivery : delivery in bulk (need to be welded by yourself) Product size: 7 x 7 x 8.3cm Power amplifier circuit: HT6872 audio amplifier Speaker: 2 inches 3W x 1 Power supply mode: 5V DC power supply (mobile phone charger, power bank, etc.) Audio input: two input methods of Bluetooth and audio cable (you can choose by yourself) Switch terminal: power switch, bluetooth on or off, up and down function Auxiliary function: spectrum function (LED flashing) Package Contents: 1 x Bluetooth Speaker Parts 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.