Feature: 1. Suitable for all users, the new generation of products have adapted for 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: For Windows 2000 / Xp / Vista / 7/8/10/Android/Os X/Linux Etc.. Package List: 1 x Mouse1 x Chargeline 1 x Type-C Adapter 1 x For Android Adapter1 x USB Receiver 1 x Storage Bag 1 x Mouse Base Note: With built‑in battery delivery