Carrier frequency: 2402MHZ-2480MHZResolution: 1000/1400/1600 DPIBluetooth protocol: Bluetooth 3.0Maximum acceleration: 2GRated current: 8ma * 3A AAA * 2Maximum tracking speed: 14 inches / secondEffective distance: 10 metersProduct size: 11 * 5.2 * 1.9cmKey life: over 5 million key lifeProduct weight: 65gSystem support: various versions of windows, Android system, Apple system, etc.