**Note: Not all keyboard is Bluetooth, only the one mentioned. Please use the chat function to confirm if you need assistant and choose the correct one** Thank you and Stay Safe! Brand: Ajazz Model: AK33 Connection: Bluetooth 5.0 / Type-C / USB Mini Bluetooth : 5.0 & Type-C Red switch / Blue Switch No of Keys: 82 Full Anti-ghosting Keyboard Colour: Black / White / Pink Switches: Blue / Black / Red / Brown Life Span: 50 million times Keys Force: 60±15g Trigger Travel: 2.0mm±0.6 Aluminum Alloy Faceplate Exclusive Colorful Light Effect Double Color Injection Keycaps 82 Keys Classic Layout of Mechanical keyboard Key life: 50m Removable Gold USB Cable Product Weight: 0.55kg Product Dimension: 31cm x 12cm x 3cm How to Connect Bluetooth: Each Ak33 Bluetooth keyboard can connect up to 3 device and swap between easily. Kindly read the manual for more information and don't throw it. 1. Long Press Fn + 1/2/3 for 3 second until it blinks, when your PC detect it can start connect. 2. Fn + Tab change between cable mode or Bluetooth mode. 3. Fn+ A/S change between Macbook, iMac or Windows devices that you connected.