USB Non-synchronous Notebook Computer Numeric Keyboard with 19 Keys Filter-Microphone 09inch * 4

09inch * 4

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USB Non-synchronous Notebook Computer Numeric Keyboard with 19 Keys Filter-Microphone 09inch * 4Features: 1. Ultra thin computers caps design, Aesthetic appearance 2. Durable structure, long life 3. Non synchronous digital input, no affection to the other keyboard Specification: 1. Button design: 19 bonds 2. Key trip: 3. 0 + 0. 3mm 3. Surcharging height: 0. 25+ 0. 05mm 4. MAX pressure: 55+ 5g 5. Operating temperature: 0 55 degree C 6. Key life: 800milliomon and above 7. Products size: 100*140*15mm Specification: Package Weight One Package Weight