Ultra Slim and Lightweight: The thin, cute and light weight design, can be easily to put into a backpack or handbag and easy to carry anywhere, suitable for home school office or travel use. The mouse has 3 adjustable DPI levels (800/1200/1600), you can easily adjust the sensitivity of the mouse based on your needs. Stable Bluetooth Connection: The keyboard and mouse adopt advanced Bluetooth chip technology to provide stable and powerful cordless connection, its easy to connect and easy to use.The Dual-Mode mouse supports Bluetooth and 2.4GHz connection. Wide Compatibility: The keyboard and mouse compatible with Apple iPhone iPad Android Windows Samsung tablet smartphone and other Bluetooth enabled mobile device, Bluetooth mouse compatible with iPad OS/iOS 13 and above, turn on Assistive Touch: Setting> Accessibility> Touch> Assistive Touch. Rechargeable Battery: The keyboard and mouse both have built-in rechargeable lithium battery, no need to replace the batteries. They will go to automatic sleep mode in about 15 minutes without use ,you can press any button to wake it up again . Comfortable and Quiet Typing: The keyboard adopt QWERTY layout and scissor switch structure keys, which can provide a comfortable, responsive typing experience, effectively improve your work efficiency. Silent mouse click reduces noise and will not interfere with your work environment.