Technical parameter: - 2.4G wireless transmission technology, energy-saving, built-in storage, no need for code, smart connection. - 15M wireless reception distance, superior anti-interference capability. - Third gear DPI adjustment design, max 1600 dpi. - Silent design, quiet and stylish office wireless mouse. - High resolution: Max 1600 DPI high resolution for fluid movement. - Trendy slim design: Slim design for a sleek look and portable use. - Add a one-click desktop feature to quickly return to the desktop. - High-speed return chip 250Hz, data transfer is faster, fast cursor positioning. -Number of buttons: 3. Three-level power saving mode: 1. Three seconds into the first sleep light flashing continuously. 2. A minute or so to enter the secondary sleep, intermittent flashing lights. 3. In 8 minutes, go to level 3 sleep, the light goes out. Specification: 1. Material: ABS + metal parts 2. Product size: 11.3 x 5.7 x 2.5 cm 3. Charging cable length: 25 cm 4. Wireless distance: 15 m 5. Key life: 5 million times 6. Battery capacity: 500 mAh Rechargeable lithium battery 7. Resolution: 800,1200,1600 (1200dpi standard) 8. Nominal voltage / current: 3.7 V / 18 mA 9. Charging time 2h; Working time: 150h Package list: 1 x 2.4G wireless mouse 1 x USB receiver 1 x USB charging cable