This rugged smartphone has a built-in projector, camping lights and a 22000mAh battery that can wireless charge another phone
The Doogee V Max Play redefines outdoor smartphones with a built-in projector, camping lights, and an ultra-long-lasting ...
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China’s power-packed battery flies drone through -32.8°F, breaking cold record
A breakthrough lithium battery enables drones to operate reliably in extreme cold, with stable performance at -32.8°F.