Wireless Keyboard and Mouse Combo- Topmate Wireless Ultra Silent Keyboard Mouse 2.4Ghz- 3 DPI Levels Ergonomics Mouse- Full Size 107 Keys Slim Keyboard for Windows- Mac OS- Laptop- PC

Keyboard Parameters Weight: 490 ±10g Operating voltage and current: 3V-5mA Size: 442.32 x 137.89 x 25.7mm Mouse Parameters Operating voltage: 1.5V Size: 103.54 x 61.35 x 32.87mm Weight: 55 ± 5g Tips? Due to open wireless connection, the 2.4G band is highly susceptible to interference code, mouse become out of work. If this problem occurs, please take following steps to connect. Pairing Mode: Keyboard pairing: 1. Unplug the USB receiver from the computer USB port 2. Install the battery to the keyboard 3. Press and hold down the"ESC" and "+/=" at the same time. When the keyboard power indicator lights up (red), it will enter the matching mode 4. Insert the USB receiver into the computer USB port (within 20 seconds), and the code matching will success. Mouse pairing: 1. Unplug the USB receiver from the computer USB port 2. Install the battery to the mouse 3. Turn on the mouse switch 4. Press and hold down the "left button"+ "scroll wheel" + "right button" of the mouse at the same time and do not loosen, and the LED at the bottom of the mouse will be on continuously. 5. Insert the USB receiver into the computer USB port (within 20 seconds), and the code matching will success. If the matching is not successful, please contact us. We will provide you with a satisfactory solution.