Feature:1. Easy To Use: Wireless pen mouse, handwriting type operation, convenient and fast operation.2. Bluetooth 2.4g Wireless Connection: The two modes can be switched freely, the 2.4g version is used when the receiver is plugged in, and the Bluetooth version is used when the receiver is unplugged, which can be easily paired with mobile phones.3. Strong Compatibility: Compatible with various operating systems, such as for Windows, for iOS, for Android systems, etc.4. Sensitive Touch Head: Features a highly accurate touch head for easy switching across multiple platforms.5. Small And Portable: It fits in your pocket and takes it to your classes, meetings and anywhere you go.Specification:Item Type: Wireless Pen MouseProduct Material: ABSNumber Of Keys: 4 Keyshandheld mouseBluetooth: V3.0 or 5.0Distance: Approx.andlt 10m or 10.9ydWorking Channel: 16, Automatic Frequency HoppingBattery Type: Lithium BatteryBattery Model: Battery Type, ModelBuilt-in Lithium Battery Capacity: 500mAh (Included)Operating System: for Windows for IOS for Android System.Package List:1 x Wireless Pen Mouse1 x Storage Bag1 x Base1 x 2.4g Receiver1 x Type C Adapter1 x Micro Usb Adapter1 x Charging Cable1 x User Manual