Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
the fitbit pay terms of service are set forth below and are incorporated into these terms . 

```
. OPTIONS: ['Unilateral termination' 'None' 'Content removal' 'Arbitration'
 'Contract by using' 'Unilateral change' 'Jurisdiction' 'Choice of law'
 'Limitation of liability'].