Features:
1. Adopt 2.4G wireless connection, stable and reliable transmission, switch as you like
2. Magnetic upper cover, convenient to install battery and store receiver
3. High-precision invisible light engine, accurate positioning
Product parameters:
1. Material: ABS, aluminum alloy
2. Number of keys: 4 keys
3. Working method: wireless
4. Wireless technology: 2.4G
5. Photoelectric resolution: 1600dpi
6. Adjustable resolution: three gears
7. Battery: AAA battery x 1 (delivery without battery)
8. Dimensions: 10.8 x 6.3 x 2.6 cm
9. Weight: 82 grams