The company is leaving the Spark incubator and moving into new offices.

TurtleCell, a Michigan University startup, is leaving the Spark incubator and moving into a new office in the Kerrytown district of Ann Arbor. The new office will give the company, which builds cases for iPhone 5 and 5S with in-built, retractable headphones, the necessary space to grow.

The company closed a $250,000 funding round only weeks ago and expects to grow from a current six employees to nine by the end of July and triple its size by the end…