There is no reason for your to refuse this GW5613 Portable Negative Ion Vehicle Air Purifier White. Made of high-quality material and with fine workmanship， this air purifier is durable in use without replacing the filter screen. For profressional design， it could effectively and quickly remove the formaldehyde， smog， peculiar smell， benzene series and other noxious substance. Adopting noiseless technique and USB charging port， this air purifier is environmental-friendly and energy saving. Besides， the built-in negative icon will bring you clear and fresh air. With stylish design and small size， this air purifier is also suitable use for cloakroom， shoe cabinet， and other small space.                                    Features             High-quality material， durable in use without replacing the filter screen<br> Easy to clean， can be used repeatedly， the economic environment<br> Inner negative ion， could effectively and quickly remove the formaldehyde， smog， peculiar smell， benzene series and other noxious substance in the car<br> Ultra-noiseless technique， environmental-friendly and energy saving<br> Special honeycomb wind structure and multi-layers design， quickly and fluently purify air<br> With USB chagring port， convenient to use in the car   <br>                                                            Specifications             Dimensions     (1.97 x 5.47)" / (5 x 13.9)cm (H x Dia.)     <br> Weight     8.68oz / 246g    <br> Color     Green    <br> Model     GW5613    <br> Brand     GREENWELCOME    <br> Rated Voltage     5V    <br> Power     3W    <br> Air Cleaner Amount     3million/cm3    <br> Sterilizing Rate     95%    <br> Methanol Rate Drop     93%    <br> PM2.5 Removal Rate     93%    <br> Noise     35dBA    <br> Charge Way     USB    <br> Generator     Anion       <br>                                                             Package Includes            1 x Portable Negative Ion Air Purifier<br>1 x USB Cable<br>1 x Anti-slip Mat<br>1 x Magic Tape<br>1 x Chinese User Manual<br>