FROM THE MANUFACTURER
Ergonomic Grip 2.4G Wireless Mice with 1000 DPI High-resolution.
Accessory: Nano USB receiver. * Switch lifespan: 5,000,000 times *Effective range: up to 10 meters effective using range
2.4G wireless mouse with 1,000CPI, working distance is 10m range.
Comfortable Ergonomic Design Wireless Mouse for dailiy use, playing computer games or browsing on internet
1 x Optical Wireless Mouse
1 x USB Receiver