1. 5w with boost processing; speaker lithium battery 500mAh, model 18650. 2. The speaker Bluetooth name is BT-023. After connecting once, the Bluetooth has a memory function and can be connected immediately after powering on. 3. The speaker can play for 3 hours normally, charging 5V-1A, with RGB colorful light function. 4. 6 lighting effect modes, with FM radio function. 5. The speaker has TWS interconnection function, and two speakers can be connected in pairs. Battery capacity: 500 mAh capacity Input: 5V/1A Speaker power: 5W Working time: 3H RGB lighting: 6 kinds of lighting Charging interface: Type-C, charging time 2H Bluetooth version: 5.3 Due to different batches, there may be differences in product appearance and printed text, Specified appearance and printed words are not accepted,which will not affect use Colour:Black Material:ABS Package Contents: 1 x speaker 1 x charging cable 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.