BTC 6300CL 103-Key USB Ultra Slim Luminescent MultiMedia Keyboard (Silver) BTC 6300CL 103-Key USB Ultra Slim Luminescent MultiMedia Keyboard General Features: Color: Silver Ultra slim design USB interface (4.5-foot cable length) 103-Key Soft-blue luminescent light emanating through its transparent backlit keycaps in the dark Life span of luminescent light up to 3000 hours Hot Keys Low profile Enhanced scissors key architecture