This hand-held vacuum cleaner is a Wireless car vacuum cleaner with strong suction.Instructions for use: 1. Check whether the charge is sufficient; 2. Turn on the switch; 3. Use different nozzles according to different occasions; 4. The rechargeable battery USB shows red for normal charging and green for full; 6. The charging time is about 3-4 hours to fully charge. And you logo and brand are welcomed.