Feature:1. Rechargeable Design: With built in rechargeable battery, no need to change the battery frequently, long term use, greatly improve convenience.2. Stable Connection: 2.4G wireless technology ensures stable connection, avoiding frequent disconnection, and providing fluent operating experience.3. Low Noise: Special quiet design, no noise during use, avoid disturbing others, to provide a more comfortable environment when study or working.4. Multiple Compatibility: Suitable for a variety of devices, PC, computer, laptop, to meet the needs of different users.5. Sensitive and Accurate: Accurate optical sensors provide sensitive tracking and accurate control to improve work efficiency, providing comfortable use.Specification:Item Type: Wireless USB MouseMaterial: ABSBattery Type: Li Battery 800mAh (Shipped With Battery).Package List:1 xWireless USB Mouse1 x Charging Cable1 x Receiver