Features: 1.Excellent Compatibility: Bluetooth keyboard with touchpad is compatible with for OS X,for Android and for Windows systems, and can also be applied to smart phones, tablets and laptops. 2.Ergonomic Keycaps: The keys of 78 keys keyboard are chocolate keycaps, which are ergonomically designed, and have a touch pad design, which is more comprehensive in functions and more convenient to use. 3.Bluetooth Connection: 78 keys keyboard adopts stable Bluetooth 5.0 technology, and its working distance can reach 10m. The keyboard is QWERTY keyboard, which is easy to use and has hot keys such as volume control, playback pause, previous song, next song, etc. 4.Ultra Long Standby: Bluetooth keyboard has a built in rechargeable lithium battery, which can be used for an ultra long standby time of up to 150H. If not used for a long time, the keyboard will automatically go to sleep to save power. 5.Lightweight Portable: Wireless keyboard with touchpad is lighter and smaller than traditional keyboard, and you can easily carry it without taking up more space on your desk or bag. specification:Item Type: Bluetooth Keyboard with Touchpad Material: ABS Type of Battery: Built in 400mah Lithium Battery (Included) Bluetooth Version: 5.0 Bluetooth Distance: within 10m Support System: Compatible with for Android,for Windows,for OS X Scope of Application: Suitable for Smart Phones, Tablets and Laptops. PackageList:1 xBluetoothKeyboardwithTouchpad Note1. Shipment with built in battery. 2. If it needs to be used on a PC, the PC needs to support Bluetooth function to use this keyboard.