Walsoon I95,should i buy this one ?

I want buy a smart watch ,and i just want to pay around 100 dollars for it.So i search on the net and finally select one ,but i don't how it performs.So any advice is needed.By the way i like workout .
http://www.tinydeal.com/i95-heart-ra...-p-156135.html
http://www.amazon.com/Walsoon-I95-An...3&keywords=i95
http://www.ebay.com/itm/Bluetooth-Sm...item2101d989f9