Cordless air duster with powerful wind force and LED function. - Power: USB charging (Type-C) - Battery: 4000mAh - Size: 133 x 83 x 37mm - LED function: Equipped - Wind speed: 4 levels - Battery level indicator: Battery level display function Thank you for viewing. No box or instruction manual. Press the button to turn ON. 4-level wind speed adjustment. Long press the button to turn on the LED. Long press again to turn it off. Only tested for operation, like new. Will be sent with simple bubble wrap packaging. Thank you.