?Long battery life?Using rechargeable lithium batteries.Charge for 3-5 hours and use for 30-45 days. ? FIND Wallets Nearby ? - Finding your wallet through the APP. using the alarm function, the wallet finder is within 100ft (30m) of bluetooth range, it will play a loud alert sound until you find it. ?APP Software Control? - In the official "Bseek" app can realize wallet's location visualization, historical track record, realize personalized setting do not disturb mode, more suitable for your life!. ? Traditional Wallets--Functional UPGRADE ? - Wallets add the useful functions. Mens wallets equipped with search wallet, separation alarm, location record, remote camera control. ? LEATHER Lining ? - Premium Cowhide Leather Wallet for Men.