Hi,my dear angel, welcome to Jacenvly, our products are cheap and good quality, price is fair, you can't miss it. If this product is not your style, please click on our store, we have many kinds of products, there will be you like and suits you. If you have any questions about your purchase, please send us the first message, we offer world class customer service to make your purchase without your worries. Have a nice day. Rechargeable2.4G Wireless Bluetooth Three Mode Gaming Mouse Backlit 1600DPI For PC Laptop Feature: 1. 3 Modes: Bluetooth 3.0 + 5.0+2.4 G wireless 2. Rechargeable: Built-in rechargeable 500mAh battery 3. Accurate tracking: IC positioning accuracy 4. key: Optional click 5. High resolution: Max1600 DPI high resolution for fluid motion 6. Fashionable slim design: Slim design for sleek look and portable use Specification: 1：Brand/Model: HXSJ/T36 2：Color:,Blue, 3：Material: ABS+Metal 4：Key life: 5 million times 5：Wireless distance: 10m 6：Work:photoelectric 7：Battery capacity:500mAh（Built in invisible Chargeable） 8：Charging cable length: 80cm 9：Project Type: Ergonomics Optical Mouse 10: Resolution: 1600dpi（Default） 11: Operation Mode:photoelectric+Bluetooth 3.0/5.0 12: Rated voltage / current: 3.7V / 10mA 13: Power Type:Rechargeable 14: Type:2.4Ghz Wireless+Bluetooth 3.0/5.0（Three Modes） 15: Buttons: 2 Buttons and 1 Round (Middle Mutton) and Mouse mode key（Bottom of the mouse） 16: System requirements: Windows 98 / Me / 2000 / XP / / Win 7 / Win8 / 10/Vista or latest. 17: Product weight: 75g 18: Item size: 10.9 x 6.4 x 2.8cm Package List: 1 x Mouse (Three Modes: Bluetooth 3.0+5.0 + 2.4 G wireless) 1 x USB Receiver 1 x USB Charging Cable(80cm) 1 x English manual Feature: 1. 3 Modes: Bluetooth 3.0 + 5.0+2.4 G wireless 2. Rechargeable: Built-in rechargeable 500mAh battery 3. Accurate tracking: IC positioning accuracy 4. key: Optional click