The Unihertz Jelly (also the enhanced model, Unihertz Jelly Pro) is an Android smartphone developed by Unihertz, which billed it as "the smallest 4G smartphone" upon its release in 2017. It was initially developed with a successful Kickstarter project which reached its $30,000 goal in just 57 minutes, and eventually raised over $1.25 million.[1][2] The Unihertz Jelly Pro is still currently available for sale in over 60 countries, including major retailers.[3][4]