Features: 1.Suitable compatible with all users, the new generation of products have adapted compatible with left?handed users, so that the left hand users are also used 2.Extremely simplified, the default is BT mode without USB state (the mouse will flash) 3.Small compact design, the size of the pen, the function of all mouse, 3 DPI switching, meet the use of different scenes, easy to carry 4.Built?in LED light transmission, use more cool. Small size, portable. Can be loaded into the bag 5.Accurate sensing components, sensitive to 3 DPIs, use more heart?should.Easy to use specification:Item Type: Mouse Pen Key Number: 5 Keys Default DPI: 800/1200/1600 (Can Be Adjusted by Yourself) Current: 15mA RF Frequency: 2402MHZ-2480MHZ Built-In Polymer Lithium Battery: 480mAh (Continuous Use 48 Hours, Standby Time is 5 Months) Material: ABS Application: PC, Tablet, Mobile Phone, Smart Television, Set-Top Box, Etc. Support: compatible with Windows 2000 / Xp / Vista / 7/8/10/Android/Os X/Linux Etc. PackageList: 1 x Mouse 1 x Chargeline 1 x Type-C Adapter 1 x compatible with Android Adapter 1 x USB Receiver 1 x Storage Bag 1 x Mouse Base NoteWith built?in battery delivery