Product Name: Rechargeable 4D Wireless Mouse with Upper Case Removable Model NO.: MSX-R3 Style: Computer Number of Buttons: 4 Direction of Roller: Tilt Wheel Ergonomics: Symmetric Size of Mouse: Big DPI: 1600 Positioning Principle: Optical Connection Type: Wireless Compatibility: Desk PC Size: 10.95*6.2*3.2 Cm Feature 1: Slim Design Feature 2: Housing Case Can Be Replaced Color: Black/White/Gold/Silver/Pink Trademark: TYSHEN Transport Package: Color Box or Blister Specification: CE, ROHS Origin: Shenzhen, China HS Code: 84716072 Product Description Rechargeable Edition4D 2.4G Wireless MouseChargeable Wireless Mouse800/1200/1600 DPIChipset:MX8650LT brand 3 Million Click Switch3.7V 350mA Lithium Battery RechargeableWith 0.8M Micro USB Charge CableWorking Time: 20 daysStandBy Time: 2 MonthsClick Key Matt UV oil finishedMiddle Case oiledUpper Case with magnet, can be replaced4D 2.4G Wireless Mouse