T37 1600DPI 2.4G Wireless Rechargeable Wireless Mute for PC Laptop The product is shipped based on the color or size of the main image of the product page. : : T37 Operation Mode: Opto-electronic Type: 2.4 GHz Wireless Type:Rechargeable Number of keys: 4 keys Key life: 5 million times (Mute s ) Wireless distance: 10m capacity: 500mAh Rechargeable Resolution: 1600dpi Rated voltage / current: 3.7V / 8mA Product weight: 84g Product Size: * 65 * 35mm Packing weight: 135g Packing size: 13.5 * 8 * 4.3cm : 1. 10M wireless receiving distance 2. gear DPI adjustment design 3. Connection method : 2.4 G wireless 4. Rechargeable: Built-in rechargeable 5. tracking: IC positioning accuracy 6. 10M wireless receiving distance 7. High resolution: Max 1600 DPI high resolution for fluid motion 8. Silence key: Silence key: 5 million silent designs, more suitable for office use.9. Metal sump design, high-end wireless mouse, stylish, easy to carry. -level power saving mode: 1): seconds into the first sleep light flashing continuously 2): 1 minute or so to enter the secondary sleep, intermittent flashing lights 3): 8 minutes or so, go to level 3 sleep, the light goes out Applicable system: ( windows XP / Vista / 7 / 8 / Server 2003 / 2000 / Win10 ,etc)Mac I In 2.4G mode: Suitable for desktop computers, notebook computers, smart TV with USB interface, etc. Package includes: 1 x Rechargeable Wireless 1 x USB receiver 1 x USB charge cable(80CM) 1 x Instruction manual