Nathlock padlock is the first Bluetooth headset, which uses Bluetooth 4.0 technology. Smart phone can connect through the APPLICATION to achieve automatic control. This padlock can compatible with ios7 Smart Apple and Andriod 5.0 system above the phone Perfectly.
Features: No key unlocking Easy to share safely Quickly click the button to connect Spare battery port Faster Bluetooth connection Waterproof design Fashion design, can also be nice gifts. Advanced technology experience