1. Connection method: 2.4G wireless
2. 3-speed DPI adjustment: 800-1200-1600
3. Operating distance: about 10m
4. Number of keys: 4
5. Power supply: 1 x 5 dry cell battery (not included)
6. Size: about 10 x 6.3 x 3.7cm
7. Weight: about 80g

Features:
1. 2.4G wireless reception, transmitting reception signal up to 10m, stable connection
2. Intelligent power-saving technology, to avoid frequent battery replacement
3. Driver-free, plug and play, easy to connect, stable signal
4. Thin and lightweight, compact and portable, can be carried around or put into a backpack
5. Widely compatible with most commonly used electronic devices can realize wireless control, can be used for devices with USB ports, desktop computers, laptops, all-in-one PCs, smart TVs, etc.