Feature: 1. Combination Keys: The wireless keyboard has 12 Fn composite keys, Fn and F1 to F12 combination keys 2. Shortcut Key: The computer keyboards support volume, media, mute, cut song and other commonly used shortcut key functions to ensure efficient operating 3. BT Mode: The computer keyboards support BT mode connection, compatible with mobile phones, computers, tablet devices 4. Supported Systems: The wireless keyboard mouse set supports for Win, for OS X, for Android, which can be freely matched, one key switching 5. Scissor Foot Structure: The computer keyboards keys are designed with scissor foot structure, which has a good rebound effect and a comfortable feel. Bottom galvanized sheet design can be used with leather cover for adsorption Specification: Item Type: Wireless Keyboard Mouse Set Material: ABS, Metal BT Version: V3.0 Operating Distance: 10meters/10.9yd Modulation Method: GFSK Keyboard Battery Type: 180mAh Li Ion Battery (built in) Mouse Battery Type: 2 x AAA Batteries (not included) Supported Devices: For 9.7in and 10in Tablet, Mobile Phone, Computer Compatibility: Support PC Input, Support for Win, for Android System. Package List: 1 x Wireless Keyboard1 x Wireless Mouse Note: Keyboard with built in battery shippedMouse shipped without battery