Features: The keycap is made of imported high permeability PC material, and its optical properties show color and transparency. The characters are combined with pad printing and UV technology,not easy to fade. Three modes of connection (Optional), more connections-easy to operate.Three connection modes 2.4G wireless mode-, Bluetooth-compatible5.0 modes and -wired mode- support all desktop- computers, notebook and mobile devices. With RGB- backlit,RGB- driver, can change the light effect beat with music/game or microphone audio-, and can customize the beat-color for better playability. The internal structure of the keyboard adopts a Gasket-structure, which reduces resonance and provides good sound attenuation. The sound is clearer, and the touch- of the keyboard is soft and delicate Full-key hot-plug design, experience the pleasure of customization mechanical shafts on the market. Specifications: Connection Modes: Type-C Wired / Type-c Wired+Bluetooth-compatible 5.0+2.4G Three Modes Shaft-Body (Optional): Transparent- White Shaft-/ Transparent Tea Shaft /Transparent White Three Mode/Peacock Blue Three-mode Battery capacity: 3000mAh (only available for the three-mode models) Duration: 15days Light Color: RGB Axis- name: transparent axis Body material: PC high permeability body Keycap material: PC transparent keycap Number of keys: 82 keys Internal structure: Gasket-structure Full-key hot plug: support Product size: 325x135x40mm/12.8x5.3x1.6in Product weight: 930g Note: Due to the different monitor- and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation- due to manual measurement. Package includes: 1PCx Mechanical Keyboard 1PCxType-C Connector 1PCx Usb Receiver (Optional) 1PCx Instructions