Wider D-shaped handle D-shaped handle, ergonomic design, the curvature of the handle in line with human habits, to reduce the pressure of the diamond angle on the fingers, better dialing.
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Extra large interface Excellent interface terminals, effectively prevent breakage and prevent leakage
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Robust housing Thermosetting resin as the main component, through the cross-linking curing process to form products of plastic, after curing that is not molten nor soluble
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