The rechargeable battery provides long-term continuous use, just charge via USB socket using a power bank, laptop or any USB charger (Type-C). There is an indicator light on the main body of the wireless airbrush to show the charging status. This portable airbrush allows you to unleash your artistic skills anytime, anywhere. Note: Please be sure to use a 5V/1A or 5V/2A adapter to avoid damaging the battery. Equipped with a 0.3mm fluid nozzle, our airbrush kit ensures high precision and detailed work. This sophisticated nozzle comes with different pressure settings, allowing you to work on intricate designs without wasting too much drawing ink. Effortlessly unleash your creativity as you combine your ideas with impeccable detail and accuracy. We know every project requires a different fluid capacity, which is why our airbrush painting kits come in three different cup sizes - 7CC, 20CC and 40CC. [Spray Gun Use] After it is fully charged, put the liquid into the container assembly, then start the switch and continuously pull the trigger to spray the liquid. Be careful not to use too much viscous liquid. We have a brush and needle set. When your spray gun is clogged, you can use these accessory sets to unclog your spray gun to ensure the spray is working properly. Colour:Gold Material:Metal Package Contents: 1set * airbrush makeup machine 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.