Telkon, a Mobile Phone Company, Has Recently Launched a Device

Telkon, a mobile phone company, has recently launched a device which, apart from all the regular mobile phone features, also has an electric cigarette lighter and a small hidden knife. None of the other mobile handset makers have such a product. According to this information, which of the following business-level strategies is being used by Telkon?

A) Co-opetition strategy
B) Cost leadership strategy
C) Focus strategy
D) Differentiation strategy
E) Turnaround strategy