Mice & Trackballs The wirele mouse is cost-effective way.The shape is ideal for any user.This mouse provides a qualified and durable solution that exceed the expectations of its value pricing.2.4GHz digital wirele transmiion to provide furthest reach 10 meters from the operation16 automatically switchable working frequencyWirele USB Optical MouseTracking method: OpticalIntelligent network functionsInterface: USB 2.0Rated working Voltage:3.0VRated working Current:25mAButton: 2 Buttons + 1 Scroll WheelAutomatically Power-Saving sleeping functionButton: 2 Buttons + 1 Scroll WheelWi-Fi Range: 10m approx.Resolution: 1600DPIColor: Silver,Yellow,Green,Orange, Black,RedPowered by two AAA batteries (not included)Size:(L*W*H):11.30*5.00*3.50cm/4.45"*1.97"*1.38"Quantity:1Set NOTE: Size for manual measurement, there may be a 0 to 2 cm error, belongs to the normal phenomenon.And due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1Pc x Wirele Mouse