Size: 342*114*12(opened),182*114*21 (folded)
Number of keys: 78 keys
Net weight: 235g
Connection: Bluetooth 5.1
Color: black white grey
Application: IOS / Android / Windows
Material: ABS
Longevity of button: 3 million times
Power: 3.0-4.2V
Range: 10M
Lithium Battery: 140mAh