?Description? *Product model: Xiaomi Mi Wireless Dual-Mode Mouse *Dimensions: 112.7 x 62.7 x 36.8mm *Main materials: ABS, PC *Wireless connection: Bluetooth low energy 4.2, RF 2.4GHz *Working temperature: 0°C ~ 40°C *Bluetooth device name: Mi Silent Mouse *Working distance: <8m *Input parameter: 3V=10mA Battery type: 2AAA battery (not included)