MULTI-DEVICE CONNECTIONS: Keyboard is dual-mode designed and three channels enabled(Bluetooth channel *2 + 2.4GHz USB channel *1). Effortlessly realize quick and smooth switch between 3 devices by pressing a single button. NOISENESS: The rechargeable keyboard has a quiet design with low key clash, reducing noise by 98%, so it wont be disturbing to use it in any situation such as in the library, office or late at night RECHARGEABLE: Built-in high-capacity battery can normally last up to half a year on a single charge (2 hours per day). The power saving feature puts the laptop keyboard to sleep after 30 minutes of inactivity.
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