Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
full use of the fitbit service is dependent upon your use of a computer with adequate software or a supported mobile device and internet access . 

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