(Receiver (dongle): Nano style. Product model: H20. 2.4GHz wireless connection via USB receiver, plug and play. Test your smart TV with an ordinary wired keyboard. If you can, this keyboard is OK.). It is not suitable for Amazon Fire TV/Fire TV Sticks, for Samsung Android, for Google and other deeply customized set-top boxes (because deeply customized set-top boxes cannot use a mouse, which blocks the air mouse function).
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