 Specification: Origin: Mainland China Type: 2.4Ghz Wireless Application: Laptop,Tablet Language: English Operation Style: Capacitive Interface Type: USB Package: Yes Backlight Type: Multicolor Product model: H20 Product color: Black Receiver (dongle): Nano style Connection port: With USB2.0 or above Transmission mode: GFSK 2.4GHz wireless, up to 10m/32.8ft Transmission frequency: 2400-2483MHz (16 channels) Transmission power: Less than+4dB Power supply: Rechargeable polymer lithium ion battery Charging voltage: 4.4V-5.25V Charging current: 300mA Working current: <15mA (backlight off) Sleep current: <100uA Product size: 140x75x10mm/5.51x2.95x0.39in Product weight: 95g Note:  1 X Keyboard 1 X USB Receiver 1 X USB Charging Cable 1 X Instruction       [relateproductdetail/]
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