Digital Gardening Aids – Tian Lingrui’s O2 Air Purifier Reminds You When to Water (GALLERY)

(TrendHunter.com) It's hard to keep track of plants, but the O2 air purifier by Tian Lingrui aims to streamline this process. To use it, just place your potted plant on the O2 Air Purifier, water it and remember to check…