1. Presale period: May 15th- June 16th
2. Original price: $249.99, during Presale: $219.99, Up to $30 OFF, and with $40 Coupon Code, you can buy UMi Super with $179.99.
3. Everyone can get the Coupon Code from offical Facebook in Beijing time 5:00 PM everyday. The Supplies are limited(Only 50 times/coupon), First in first served.
4. Facebook:

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