Long battery life: Using rechargeable lithium batteries.Charge for 3-5 hours and use for 30-45 days. Find Your Phone: Simply double press or hold the Wallet button on your tag to make your phone ring, even if your phone is on silent mode. Remote photographing: After the mobile phone is connected with the Bluetooth wallet, the remote photographin of the mobile phone can be controlled through the wallet. Separation Alert: Your phone will beep to remind you that you might leave Wallet behind when the Bluetooth wallet is out of range, so you don't have to worry about missing Wallet(This is the cool wallets for men). APP Control Wallet Finder: Find lost items with your phone, If your wallet tracker is within the 200 feet Bluetooth range in the open air, it will play a loud tune till you find it. The Bseek app gps trackers remembers when and where you left something on map(app work with iOS and Android. ).