Feature:1. [Composite Keys] Keyboard has 12 Fn composite keys, the combination keys of Fn+F1~F12, and the commonly used shortcut key functions such as volume, media, mute, and song cutting, which are efficient for work.2. [Compatible] Wireless keyboard supports BT mode connection, and is compatible with mobile phones, computers, and tablet devices, for Win, for Android, free matching, one key switching.3. [USB Charging] Data cable of the BT keyboard is a USB interface, with a built in rechargeable battery, which can be recharged repeatedly, environmentally friendly, with long lasting battery life.4. [Comfortable Keys] The keys of the keyboard are designed with scissor foot structure, enjoying a comfortable percussion experience, good rebound effect, comfortable hand feeling, and clear and powerful typing.5. [Ultra Thin Mouse] Mouse is ultra thin and ultra quiet, ergonomically designed, feels comfortable, 4D buttons, three speed adjustable DPI, 80012001600, easy to deal with daily work and game moments.Specification:Item Type: BT Keyboard + MouseMaterial: ABS + Iron PlateKeyboard:Size: Approx. 10inchData Cable Interface: USBBuilt in Battery: Lithium Ion BatteryBattery Capacity: 180mAhBattery Model: YN803040Limited Range of Operating: Within 10m/32.8ftConnection Method: BTMouse:Style: Single BT Battery (Delivery without Receiver)Number of Keys: 4 KeysDPI: 800-1200-1600Connection Method: BTUse Battery: 1 x AA Battery (Shipped without Battery).Package List:1 x BT Keyboard1 x USB Data Cable1 x Mouse (Battery Not Included)1 x Mouse Chinese, English and Japanese Manual