IP68/IP69K dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min)
Drop resistant up to 1.5m
MIL-STD-810H compliant
Accessory connector (ulefone endoscope, microscope)
Both Bluetooth and Wi-Fi signals use the 2.4 GHz band. When both are turned on, the data throughput of Bluetooth will drop sharply, the paired devices will be difficult, the Wi-Fi will be intermittently interrupted, and the network will be limited.
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After owning this phone for a few months now, I would have to say I have buyers remorse. This thing really has difficult connecting to...anything. Wi-fi, cell signal, bluetooth, they all struggle to stay connected.