Features: 2.4GHz wireless technology and professional chip(PAW3212)ensure longer working distance, reaching up to 33ft.The first double -right key design, whether left-handed or right-handed users can use this product very well.Built-in high-performance rechargeable battery, safe efficient and convenient, and a full charge can last for one month.Built multicolored LED lights, use of look better. Make this mouse not only a mouse, but also a work of art.The full mouse uses skin-friendly materials, combined with ergonomic design, more comfortable to use.The base has a special storage location for the receiver, which is convenient to use and not easy to lose.Specification:Product name: Pen mouseModel: PA-18Color: Grey, Yellow, Purple(Optional)DPI: 1600(default)Wireless transmission frequency: 2.4GHzSupport system: Windows ALL Mac OS Android LinuxOperating distance: 10mNumber of keys: 4keysConnection to computer: wirelessWorking mode: OptoelectronicsInterface: USBMax Input: 5V~2ABattery: 250mAhCarrier frequency: 2401MHz-2480MHzItem size:14* 2.3* 1.4cm / 5.51*0.91*0.55in(L * W * H)Item weight: Approx.2 5.2g /0.89ozPackage size:1 6.6* 9.2* 3.4cm / 6.54* 3.62* 1.34in(L * W * H)Package weight:93g / 3.28ozPacking list:1 *Pen Mouse1 *User Receiver1 *Mouse Base1 *USB A to C Adapter1 *USB to Micro USBAdapter1 *Carry Bag1 *Type-C Charging Cable1 *User Manual