... 2.4G / Bluetooth wireless technology transmissionFeaturesStandard Qwerty keyboard, button with LED backlightSize 140mm * 68.5mm * 18.5mm Weight ... 4. Application pictures 5. NOTE: 1. When no button operation, lights flashing, please check the low voltage, ... Apple and other systems for smart phones, computers,car PC, tablet, etc. 2012 smart, new design and portable eboard with bluetooth technology ...