Sunreed USB Numeric Keypad and Mouse Combo- 2.4G Wireless Mini Number Pad Keyboard with Power Switch for Laptop Computer PC Notebook- Just One USB Port…

Operating Frequency: 2.4G technology Structure Fixed way: Fastening buckle bit Case Material: ABS Modulation: GFSK Power Supply: 1 * AAA Battery (not include) Operating Current: 5mA (MAX) Sleep Current: 0.5mA Effective Distance: Approximately 32.8FT (10M) Accessibility Working Temperature and Humidity: 5-50 celsius 10%-85%RH 25celsius Storage Temperature and Humidity: -20-70 celsius 5%~95% 25 celsius Mouse Specifications: Size: L3.9 * W2.5 * H1.4 inches Key numbers: 3 standard buttons (Silent button) Effective Range: 32.8ft (Max) Power: AAA battery (not Included) Voltage: 3V Current: 15mA Package contents: 1 x Numeric Keypad 1 x 2.4G Wireless USB Receiver 1 x User Manual