It connects on Bluetooth and WiFi USB givinging accurate results.Larger platform, more stable-Explosion proof tempered glass and ABS environment friendly base material surface. It is ultra thin sleek looking just 0.9 inch thick and large enough 10.24in x 10.24in, which makes it more comfortable and safer to stand on, and more clearly to see the large LCD display 2.87in. x 1.10 inch.