Features: 2.4GHz wireless technology and professional chip(PAW3212)ensure longer working distance, reaching up to 33ft. The first double right key design, whether lefthanded or righthanded users can use this product very well. Builtin highperformance 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 skinfriendly 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: PA18 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: 4?keys Connection to computer: wireless Working mode: Optoelectronics Interface: USB Max Input: 5V2A Battery: 250mAh Carrier frequency: 2401MHz2480MHz Item size:14*2.3*1.4?cm / 5.51*0.91*0.55?in(L * W * H) Item weight: Approx.25.2g /0.89oz Package size:16.6*9.2*3.4?cm / 6.54*3.62*1.34?in(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 USB?Adapter 1 *?Carry Bag 1 *?TypeC Charging Cable 1 *?User Manual ?