cgjxs2 .4g optical wireless keyboard and mouse mice usb receiver combo kit for mac pc computer t190624

features:.1. 2.4g ultra thin optical wireless keyboard and mouse, fashionable design.2. advanced 2.4ghz wireless technology, no messy cables anymore and you can play computer games on bed or in sofa comfortably.3. plug and play, with a range up to 10 meters working distance.4. the keyboard will turn to sleep mode automatically when idle.specifications:.2.4ghz wireless transmission technology.frequency: 2402mhz ~ 2840mhz.wireless working channel: 16 (automatic frequency hopping).usb ultra-fine re