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' 'Unilateral change' 'Choice of law'
 'Limitation of liability' 'Unilateral termination' 'Contract by using'
 'Jurisdiction' 'None' 'Content removal'].