Universal three-fold mini keyboard

Size: Touchpad size 5.48 * 4.48cm
After folding: 15.2 * 9.7 * 1.8cm, unfolding: 30.2 * 9.7 * 0.8cm
Number of keys: 64 keys
Input interface: Bluetooth 3.0
Material: Aluminum alloy + ABS
Working voltage: 3.7V
Working current: <3MA
Battery: 140mAh lithium battery
Standby current: <1MA
Color: pearl grey, silver
Compatible system: I0S / Android / Window