1、10inch widened and enlarged processing, has more and wider keys than ordinary 7-inch keyboard, which brings a better user experience 2、The brushed metal texture keyboard panel is non-slip, giving people a high-end feeling 3、Portable and ultra-thin, very convenient for you to carry on travel or business trips. Can be used with smartphones, tablets, laptops, and desktop computers 4、Light weight with quiet keys, waterproof and dustproof, scissor style keyboard bring fast typing and good hand feeling 5、Bluetooth 3.0 standard for MICR interface, effective operation can be achieved within 10 meters Item Type: Wireless Bluetooth Keyboard Bluetooth 3.0: Standard for MICR interface Effective Operation Can be Achieved: Within Approx. 10meter / 32.8ft Modulation Method: GFSK Working Voltage: 1.8~3.6V Working Current: <2.0mA Standby Current: 0.3~0.5mA Sleep Current: <40μA Charging Current: ≥200mA Standby Time: >30 Days Charging Time: <2 Hours Built-in Polymer Lithium Battery: 110mAh Continuous Working Hours: 44 Hours Button Force: 80±10g Button Life: 5 Million clicks Working Temperature: -10~55℃ 1 x Keyboard 1 x Charging Cable