Rechargeable mini Keyboard With Touchpad Mouse Wireless Keyboard with Mousepad Inbuilt Backlight Mini Keyboard With Touchpad Mouse - A Backlit Keyboard - 3 Colour Switchable RGB Keyboard Handheld Portable Wireless Keyboard 2.4 GHz Operating range: 15 meters(MAX), without signal disturbance and no direction limit. Frequency range: 2.403GHZ ~ 2.480GHZ Operational voltage: 3.3V Charge Voltage: 4.4V ~ 5.25V Modulation: GFSK Channel: 78channels TX Power: less than +5dBm Transmission rate: 1M bit/sec Frequency tolerance: +/-30ppm Power consumption: 55mA(on), 1mA(sleep) Battery Type: Built-in Rechargeable lithium-ion battery

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