PUSOKEI Retro Typewriter Keyboard - Bluetooth, USB

Specification: Item Type: Typewriter Keyboard Material: Metal, Plastic, Electronics Applicable: Universal Type: Mechanical Keyboard Number of keys: 83 keys Interface: TYPE C If compatible with Plug and Play: Support Computer Connection: Wireless If there are multimedia function keys: Yes Shortcut Keys: Yes Waterproof Function Compatibility: Waterproof Key technology: Mechanical shafts Backlight function: Backlight compatibility If ergonomics are supported: Compatibility Operating current when backlight is always on: 150 MA Operating current when backlight is off: 8 MA Bluetooth Mode Sleep current: 0.6 MA Key change: Wired N Keys changed, Bluetooth 6 Keys changed Operating voltage: 3.7 V Operating mode: Wired, Wireless, Bluetooth Hibernation time: 2 minutes after the device does not work automatically in hibernation state, press any key to wake up Operating system: compatible with Windows 2000 or higher and OS X operating system, BLE support for WIN8 system or higher Battery type: Built-in 2000mAh lithium battery (included) Packing List: 1 x Keyboard 1 x charging cable 2 x Replacement Keyboard Shaft 1 x Key Puller 1 x instruction manual