Wireless aluminum keyboard

Name: F18 aluminum alloy tri-folding Bluetooth keyboard
Main material: aluminum alloy, ABS plastic
Number of keys: 58 keys
Power supply: built-in high-capacity rechargeable lithium polymer battery (400 mA)
Operating voltage: 3.0–5.0 V
Key life: 50 million
Effective usage distance: 10 meters
Total size: 22.6 x 5.6 x 1.6 cm

Unfolded size: 22.6 x 16.8 x 0.4 cm