Feature: 1. 10inch widening and processing, there are more buttons and wider buttons with a better user experience. 2. Portable and ultra-thin, it is very convenient for you to carry it on trips or business trips. 3. The brushed metal texture keyboard panel is non-slip, giving people a high-end feel. 4. Light weight, quiet keyboard, waterproof, dustproof, scissor keyboard, fast typing and good hand feeling. 5. The keyboard can be used with smart phones, tablets, laptops, and desktop computers. Specification: Item Type: Wireless Bluetooth Keyboard Bluetooth 3.0: Standard MICR Interface Within 10 Meters: Effective Operation Can Be Achieved Modulation Method: GFSK Working Voltage: 3.0~4.2V Working Current: <2.5mA Standby Current: 0.3mA Sleep Current: <40UA Charging Current: ≥200mA Standby Time: >100 Days Charging Time: <3~4 Hours Built-in Lithium Battery Capacity: 150mA/420mA Sustainable Working Hours: 100 Hours Button Force: 80±10g Button Life: 5 Million Clicks Working Temperature: -10~55 Degrees. Package List: 1 x Keyboard1 x Charging Cable