Bàn phím số mini 18 phím không dây kết nối USB cho máy tính

Decription: Feature: Operating Frequency: 2.4G Structure Fixed way:Fastening buckle bit Case Material:ABS Modulation:GFSK Power Supply:1 x AAA Battery(not include) Operating Current: 5mA(MAX) Sleep Current: 0.5mA Effective Distance: Approximately 32.9FT(10M)Accessibility Working: Temperature:5℃-50℃ Humidity:10%-85%RH 25celsius Storage: Temperature:-20-70℃ Humidity:5%~95% 25 celsius Application: Desktop, Laptop, Tablet Key Mechanical working life: The keycaps life of more than 10 million times System: IOS, Windows XP, Windows Vista/7/8/10, USB port Notice: Due to the different monitor and light effect,the actual color maybe a slight different from the picture color. Please allow 2-3cm differs due to manual measurement . Included: 1 x 2.4G Wireless Numeric Keypad 1 x Wireless USB