What is the fine-grained topic of the following text: CROSSCALL LAUNCHES THE TREKKER-X4 | Athena S.p.A.
Aix-en-Provence, October 2nd 2018 - Crosscall, global specialist in outdoor smartphones, today unveiled its latest innovation: a smartphone designed entirely around video, without sacrificing the resilience, battery life and waterproofing for which the brand is known. Only return the topic.
Launch of Crosscall's Trekker-X4 outdoor smartphone.