Built-in 10000mAh large capacity battery, super long standby and lasting wireless usage; Tri-mode connection with BT 5.3, 2.4G wireless and USB-C wired, fast stable multi-device switch; 15-layer gasket structure, excellent shock absorption for soft quiet creamy typing feedback; Full hot swappable design, freely replace switches without soldering for personalization; Premium side printed PBT keycaps plus vivid RGB backlight, wear-resistant and stylish