... standard chargerPerformance parametersCPU frequency266/350MHzDisplayResolution of 800x480, 26 million color, digital screenBattery7.4V/1600mAH, standby time ... wavelength)Mechanical properties: operating pressure: 50 ~ 100gHit Life: ≥ 100 million (silicone tip R = 0.5mm, load 200g, 2 times ... / sec)Stroke life: ≥ 10 million (silicone tip R = 0.5mm, load 200g, speed ...