Wireless Keyboard and Mouse Set 4 Channels Double Modes Rechargeable Bluetooth Keyboard Mouse Set Light Green Item Type: Wireless Keyboard and Mouse Set Material: ABS Keyboard: Specifications: Bluetooth 3.0+5.0+5.0+2.4G Key Number: 99 Keys Working Distance: >10m / 32.8ft Transfer Mode: Full Duplex Charging Interface: Type C Interface Working Voltage: 3.0V-4.2V Working Frequency: 2.400GHz-2.480GHz Sleep Mode: Automatically sleep after 10 minutes of inactivity. Wake Up: Press any key to wake up. Battery Type: Li Battery Battery Capacity: 150mAh (Included) Modulation Mode: GFSK Compatible Systems: for Win, for Android Mouse Specifications: Bluetooth, 2.4G Double Mode Operating Distance: 10m / 32.8ft Sensor Technology: High Accuracy Optical Tracking DPI: 800, 1200, 1600 Adjustable Battery Type: Li Battery Battery Capacity: 150mAh (Included) Number of Buttons: 4