Wireless aluminum keyboard

Name: F18 three-fold folding aluminum alloy bluetooth keyboard
Main material: aluminum alloy, ABS plastic
Number of keys: 58 keys
Power supply: built-in high-capacity 400 mA rechargeable lithium polymer battery
Working voltage: 3.0~5.0V
Key life times: 50 million
Effective use distance: 10 meters
Combined size: 22.6*5.6*1.6cm

Expanded size: 22.6*16.8*0.4cm