Large 10000mAh built-in battery, long standby and lasting wireless usage time; Premium gasket structure design, soft bounce and comfortable quiet typing feel; Full hot swappable design, easy to replace switches for personalized use; Latest Bluetooth 5.3 plus 2.4G wireless and wired triple connection, stable fast connection; Black grey stylish tone, side printed PBT keycaps wear-resistant anti-oil with vivid RGB light