Police say the two entered the store on East 174th Street in the Parkchester section shortly after midnight Monday.
The men are seen approaching a 26-year-old worker and covering his mouth.
They displayed a firearm and demanded money.
The employee complied and the suspects fled on foot with approximately $1000 and two cell phones.
The store employee was not injured.
The NYPD issued the following descriptions of the suspects:
Individual #1 is described as a male black, 6'4" and 190lbs, in his twenties last seen wearing black jacket and blue jeans.
Individual #2 is described as a male black, 6'2" and 140lbs, in his twenties, last seen wearing black jacket and blue jeans.
Anyone with information is asked to call the NYPD's Crime Stoppers Hotline at 800-577-TIPS or for Spanish 1-888-57-PISTA (74782).
----------
* More Bronx news
* Send us a news tip
* Download the abc7NY app for breaking news alerts