Keyboard specifications:
1. Weight: about 1038 g
2. Dimensions: 45.5 x 17.5 x 4.5 cm
3. Features: metal panel, cool backlight effect, wireless connection, battery-free rechargeable, game chip, electroplating double wings, accurate positioning, plug and play
4. Battery capacity: 3000 mah
5. Game chip: PAN3212 optical IC

Mouse specifications:
1. Weight: about 110g
2. Dimensions: 13.2 x 7.7 x 4.1 cm
3. Buttons: 6 buttons
4. Battery capacity: 500 mah
5. Resolution: 2400 dpi
6. Working method: optical engine
7. Connection: 2.4Ghz wireless connection