Feature •  Up to 10m working distance 2.4GHz 2 way fast digital    RF •  16 auto hopping channel with 65K ID •  Connection free smart link •  Reliable keyboard design •  Stand-profile keys provides comfortable silent touch •  Compatible with Windows 2000/XP/VISTA •  Long Battery life •  Micro Receiver •  Easy installation and operation •  Precise optical technology of mouse Specification Mouse: •  Device Type: Wireless Optical Mouse •  Connection Type: USB •  Tracking Speed: up to 14 inch/second •  Tracking Method: Optical •  Buttons: 3- Left, Right, Middle •  Resolution: 1000 cpi •  Input Power: 1.5V 1*AA •  Power Consumption: 25ma •  Laser ower: <= 700uW Keyboard: •   Keys: 104 •  Switch mechanism: Membrane •  Travel Length: 3.0mm •  Input power: 1.5V AA x 1 •  Power Consumption: 6mA (Key pressed) •  Dimension: 436 x 132.3 x 30 mm •   Weight: 460g RF: •  Number of Channels: 16 •  Carrier Frequencies: 2402MHz~2480MHz •  Modulation: GFSK •  ID: 65536 •  Transmission Range: up to 10m, 360° •  Max. Rated Output Power: 0dBm Receiver: •  Input Power: 5V DC, 30mA