... 3.Built-in rechargeable 1.The perfect keyboard, touch pad combination 2.2.4G wireless receiver integrated design 3.Built-in ... keys, convenient and practical multimedia control keys and 2.4G wireless technology to provide you with the farthest to 30m PC ... computer games 9.Whether it is teaching, training, or speech, keyboard, mouse, laser pointer in one hand and hand, three-dimensional explanation ...