Generally, you can deduct these types of costs as unreimbursed employee expenses if they meet the following guidelines according to the IRS:
Paid or incurred during your tax year,
For carrying on your trade or business of being an employee, and
Ordinary and necessary
These expenses are subject to a 2% of AGI limitation and can be entered in TurboTax Online by selecting Federal Taxes across the top, and then Deductions and Credits.
Next select I'll choose what I work on
The expenses can be input under, Employment Expenses and then Job Related Expenses
