3-in-1 air remoteremote:it will provide you with the smooth navigation and can be used to learn some important keys from your tv remote.keyboard:it designed with full keyboard that you can use it portable to replace your usb keyboard.mouse:it can converts your space movement in the air into an accurate displacement on the screen, allows mouse to be controlled accurately for motion sensing game.powerful battery liferecharge for many hours and works for several weeks. one buyer even mentioned that it had only been recharged twice in nine months.it realizes recycling, saves resources and protects the environmenthow to learn ir functionpress the "power" key and the "ok" key for 3 seconds ,release the button when the blue light remains on, and then click the power button, lights flashing.align the w1 with your remote head and keep it on a horizontal line.(the next step is to keep this posture all the time, otherwise the learning function may not be successful.)click on one of the w1 buttons and click on the button you want to learn in the remote control.(the blue light is always on after 3 flashes, indicating success in learning.)repeat the third step and learn the button you want until all the buttons are complete, after learning all the buttons, click the "arrow" button to save your study.specifications:model number: w1transmission & control: 2.4ghz rf wirelessamount of keys: 57remote control distance: up to 10mbattery: built-in 3.7v 300mah lithium batteryworking current: <9mastandby current: <25uair learning function: yescpi (mouse pointer movement speed) adjustment: yesauto sleep and wake up: yesmaterial: plastic with siliconepackage includes:1x w1 smart remote control1x usb receiver1x user manual