How much does this cost to the nearest dollar?

Fingerprint Padlock, Smart Keyless Bluetooth Lock APP/Fingerprint Unlock Anti-Theft Padlock Door Luggage Case Lock for Android iOS System Suitable for Gym, Backpack, School, Fence and Storage
Smart Fingerprint Unlock -- Say goodbye to cumbersome password combinations. You can unlock smart padlock with your finger only for a split second. You never have to worry about losing your password or forgetting your password. Fingerprint padlock can register up to 10 sets of fingerprints. You can also authorize and share the lock to your family/friend to use it. Connect smart padlock to free mobile app by Bluetooth. You can use the app to register fingerprints, unlock, set authorized user APP&Bluetooth Function -- Thanks to the high-tech biometry semiconductor sensor and Bluetooth tech, the thumbprint padlock

Price is $40.00
Price: $39.99