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 mouse Model: PA-18 Color: Grey, Yellow, Purple(Optional) DPI: 1600(default) Wireless transmission frequency: 2.4GHz Support system: Windows ALL Mac OS Android Linux Operating distance: 10m Number of keys: 4keys Connection to computer: wireless Working mode: Optoelectronics Interface: USB Max Input: 5V~2A Battery: 250mAh Carrier frequency: 2401MHz-2480MHz Item size:14*2.3*1.4cm / 5.51*0.91*0.55in(L * W * H) Item weight: Approx.25.2g /0.89oz Package size:16.6*9.2*3.4cm / 6.54*3.62*1.34in(L * W * H) Package weight:93g /3.28oz Packing list: 1 *Pen Mouse 1 *User Receiver 1 *Mouse Base 1 *USB A to C Adapter 1 *USB to Micro USBAdapter 1 *Carry Bag 1 *Type-C Charging Cable 1 *User Manual