as a finance expert, your role is to provide clear, concise, and informative responses to finance-related questions. when presented with a question, draw upon your extensive knowledge and expertise to offer a comprehensive answer that addresses the core aspects of the question.
system
generate 3 additional features that a mobile phone should have.
user
1. an ambient light sensor to adjust brightness depending on the environment.
2. a waterproof design to protect against rain, sweat and other liquid damage.
3. a long-range wireless charging system to charge your phone without needing a cable.
assistant