The product will have an additional filter for a total of two~ After confirming the order, it will be shipped within 24 hours When you receive the product, please do not make an evaluation for the first time. If there is no problem after using it, you can evaluate it again. If you have any questions, you can contact customer service, thank you！！ Specifications: Mites Remover Run Time: 60mins Rated Voltage: 220V/50Hz Product Material: ABS Maximum Noise: 80dB Working Method: Wireless Product Size: 20 * 12 * 11 cm Filter Type: MIF/HEPA/Sponge Work Principle: UV/Strong Beat/Hot Air Features: 1. 200,000 times of high-frequency vibration can quickly peel off dust mites. 2. Patented battery, wireless innovative charging, get rid of the shackles of wires. 3. 50° hot air for auxiliary heating, 45° oblique angle exhaust, rapid heating & dampening. 4. 20kpa powerful suction, high-speed imported movement, pull out deep mites. 5. Ultraviolet cold light lamp, 100% mite removal rate, 99.9% sterilization rate. 6. The triple filtration system, filter layer by layer, filter out clean and fresh air. Specifications: Name: Mites Remover Run Time: 30-60mins Rated Power: 300W Rated Voltage: 220V/50Hz Product Material: ABS Maximum Noise: 80dB Working Method: Wireless Product Size: 20 * 12 * 11 cm Filter Type: MIF/HEPA/Sponge Work Principle: UV/Strong Beat/Hot Air Note：The charging head will charge very quickly when used above 5v/2A, but the charging head below this will be slower（Slow charging can make the battery last longer, please rest assured） Features: 1. 200,000 times of high-frequency vibration can quickly peel off dust mites. 2. Patented battery, wireless innovative charging, get rid of the shackles of wires. 3. 50° hot air for auxiliary heating, 45° oblique angle exhaust, rapid heating & dampening. 4. 20kpa powerful suction, high-speed imported movement, pull out deep mites. 5. Ultraviolet cold light lamp, 100% mite removal rate, 99.9% sterilization rate. 6. The triple filtration system, filter layer by layer, filter out clean and fresh air.