Features: 1. USB external drive, wireless connection, desktop computer, notebook, smart TV, etc. can be used. 2. Plug and play, convenient and practical. 10 minutes automatic sleep, 2.4G 10m transmission. 3. FN+F1-F8 triggers various media shortcut keys, eliminating the tedious operation of switching the application interface. 4. The NUM key allows your keyboard to switch the numeric keypad mode with one key, so that both office and entertainment are correct. 5. Small and petite, it can be put into a notebook bag, suitable for all kinds of daily business trips, play, travel, etc. Notice: Actual color may be slightly different from the image due to different monitor and light effect. Please allow 1-3cm deviation due to manual measurement. Description: Keyboard Product size (mm): 285*136 Transmission mode: wireless 2.4G Power supply mode: 2 x AAA batteries (not included) Product weight (g): 240 Number of keys: 78 keys Working voltage (V): 3 Mouse Product size (mm): 113*59*20 Transmission mode: wireless 2.4G Power supply mode: 2 x AAA batteries (not included) Product weight (g): 40 Number of keys: 4 keys Working voltage (V): 3 includes: 1 x Keyboard 1 x Mouse