Yunseity 3-Key Programmable Keyboard - Wired/Wireless

Specification: Item type: 3 keys keyboard Material: ABS Lighting effect: Color backlight Connection: USB wired, 2.4g wireless, Bluetooth wireless Battery Type: Built-in 140mAh Li-ion battery, press and hold the connect button for three seconds to enter the pairing state(red light flashes slowly). You can use the Bluetooth function as a computer or mobile phone to search for a device called MK321 Pro, click the name to connect, after the connection is successful. The red light of the device will stay on for 2 seconds and then turn on off. 2.4G mode: In 2.4G mode, long press the connect button for three seconds to enter the pairing status (the green light flashes slowly), then insert the receiver into the computer and the device and the receiver will be paired automatically. After the pairing is successful, the green light of the device will be constant. On for 2 seconds and then off. Packing List: 1 x Keyboard 1 x receiver. 1 x data cable.