Name: Portable Bluetooth Speaker. Material: ABS + plating + electronic components Product Size: 121 * 120 * 66mm/4.76 inch * 4.72 inch * 2.6 inch. Net weight: 270g. Input voltage: 5V. Power: 5W 4Ohm. Battery capacity: 1200 mAh. Execution standardGB4706.1-2005 GB4706.1-2008. Input current 1A. Plug interface: Type-C interface. Bluetooth version: 5.3. Colorful ambient light : Dazzling. Certificate type: FCCID, ROHS, CE-RED, quality inspection report. Instructions for use:1. Switch on the seven lights automatically cycle 2. Click the button light switching (seven shadows a blue a red green white white breathing seven colours running a light, click in the case of the colour for the state of the country, turn off the light and then click to return to the seven lights at six-second intervals automatically cycle.3. Press play/pause to double. Packing list:1* Bluetooth speaker 1* charging cable