Silent mouse M350 Bluetooth dual mold wireless office mouse 2.4G Bluetooth dual mode Laptop High Precision battery MouseNumber of keys: 3 (keys)Interface: USBWireless transmission frequency: 2.4GHzDoes ergonomics support: supportAdjustable resolution: 3rd gear and belowOperating distance: 10(m)Specifications:Warm shape and comfortable hand feelingFashion, light and lovelyInterpret energy in silence. Fashion appearance can show personality, but also exquisite and light.Jingshan Jingmei's familiar key feel interprets energy with quietMultilink, Bluetooth and 2.4G receiver easy linkEasy to adapt to a variety of scenes, coffee table, bed can provide comfortable experienceInstalling the battery is convenient and quick to use.Package Included:1 * Mouse, 1 * ReceiverNotes:The battery needs to be purchased by the customer.