Wireless Mouse Silent Computer Mouse 2.4Ghz 1600 DPI Ergonomic Mause Noiseless USB PC Mice Mute Wireless Mice for Laptop FEATURES 1. Silent design: Left and right click are both silent, noiseless. To provide you with a quiet and comfortable environment, especially suitable for bedroom, library, office work. 2. Wireless design: Easy to carry and save space. 3. Mute surface: Stylish, high-end, low-cost, very cost-effective. SPECIFICATIONS Item Name: Noiseless USB Wireless Mouse Buttons: 4 buttons The Max DPI: 1600 DPI Ajustable DPI Switch: 800 / 1200 / 1600 WiFi Range: 10M Battery: 1* AA battery ( NOT including ) Switch Life: 10 Million Times Size: 65*115*33 mm Support System: Windows / Mac PACKAGE 1 x Noiseless Wireless Mouse 1 x USB Receiver