深圳市比格科技有限公司  

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VK-102Fully compatible with IBM/AT and PS/2Key layout 107/108 (English / Europe)Key switch membrane key switch with tactile feedbackKeycaps type laser printing standard profileLife cycle 10 millions strokeElectronically data input power: +5V DC ±10% low power consumptionSwitch travel 3.5mm±0.5mmSwitch force: 55gf±10gfEMI FCC class: B, CE