Feature: 1. 3 LEVELS DPI: The pen mouse has 3 levels to adjust 800/1200/1600 DPI, easy to pair and easy to operate 2. WIRELESS CONNECTION: The pen mouse uses low power BT long distance connection, and an accurate data matching system can effectively prevent stringing problems 3. TOUCH SCREEN WRITING: The pen mouse supports touch screen writing, which is simple and convenient to use 4. WIDE COMPATIBILITY: The pen mouse is compatible with multiple operating systems for Win, for iOS, for Android, etc 5. SCOPE of APPLICATION: Suitable for notebook computers, desktop computers, tablet computers, smart phones, smart TVs Specification: Item Type: Wireless Pen Mouse Material: ABS Number of Keys: 6 Keys Rated Voltage: 1.5V Rated Current: 15mA Carrier Frequency: 2401MHz-2480MHz Working Channels: 16, Automatic Frequency Hopping Speed: 14in/sec Remote Control Distance: < Approx.10meters/10.9yd Battery Model: 1 x AAA Battery (not included). Package List: 1 x Wireless Pen Mouse 1 x Base1 x User Manual Note: Shipped Without Battery