How much does this cost to the nearest dollar?

Mobile Phone Telescope, Auto Focusing 6.09 Miles Distance Waterproof Tight Hold Telescope for Smartphone Camera Lens Full Optical Glasses 7.8 Wide Angle Handheld Telescope
Description This mobile phone telescope helps you to catch sight clearly even 6.09 miles away from you. Full optical glasses ensure sufficient light to achieve bright pictures. Features Stable Focusing - The Telephone Camera Lens supports auto zooming, which allows you to shoot objects far from you clearly. Wide Angle - 7.8 field of view enables this mobile phone telescope to catch larger sight to bear more details. High Transparency - Full optical glasses enable this telescope lens for phone to catch sufficient light for brighter picture. 6.09 Miles Distance - You can catch sight that even 6.09 miles away from you clearly. So awesome

Price is $21.00

Price: $20.57