Features:
Air75 is a revolutionary low profile mechanical keyboard that boasts a slim design. With a 75% layout consisting of 84 keys, resulting in the thinnest point of only 17mm. Unlike traditional keyboards, Air75 eliminates the need for a wrist rest, ergonomic angle making it comfortable for extended use without causing any wrist damage.
Multi-Device Connection: Providing 3 connection modes - 2.4G connecting, BT5.0 and wired type-C connecting. It supports to connect with , laptop, , pad and . and , compatible with MacOS, system, and iOS and Android system, easy to switch without lagging.
Effects: With 17 backlit modes and 5 brightness levels to adjust. And you can also adjust the of the dynamic effect, customize the stunning effect as you like.
long : Built-in 1850mAh rechargeable , the keyboard can use to 180hrs after a full , take it to the working without any off problem.
Stylish & : Silm &PBT material two-color injection moulding process , PBT more wear-resistant, not easy to grease, dirty resistance does .

Specification:
Model: YK75
Product Main Color: Grey, Beige, Grey (Optional) 
Mechanical Type:
OUTEMU Red Switches, OUTEMU  Blue Switches (Optional) 
Connection: 2.4G, BT5.0, Type-C
2.4G Connection Distance: 8meters
BT5.0 Connection Distance: 5M
: 1850mAh, 3.7V
Using : about 180hrs
Flash ROM: 64KB
Operating voltage: VDD = 3.3V - 5.5V
Working environment : - 40°C - + 85°C
Package Size: 38x14x3cm/14.9x5.5x1.1in
Package Weight: 650g/22.9oz

Packing List:
1 x Keyboard
1 x 2.4G Receiver
1 x Cable