1、[Effective Distance]Working areas of anti-lost reminders is around 15m / 49.2ft indoors \u0026 outdoors, and influence by BT signal strength. 2、[Easy Connection]Just opening the phone BT and key finder, connect fastly. 3、[Automatic Alarm]The key finder that makes noise helps you find misplaced items quickly. Description: Keys finder is convenient to carry. And small size is suited for wallet locator, pet tracking, key or small item anti-lost reminder, perfect gifts for your partner, elder, kids, pets. Features: [Effective Distance]Working areas of anti-lost reminders is around 15m / 49.2ft indoors & outdoors, and influence by BT signal strength. [Easy Connection]Just opening the phone BT and key finder, connect fastly. [Automatic Alarm]The key finder that makes noise helps you find misplaced items quickly. [Battery Included]Replaceble CR2032 battery, low power consumption technology to ensure 10-12 months working hours. [Widely Applicable]Key finder can help you take care of your belongings, find your belongings easily, such as wallet, key, pet, bag, etc. Specifications: Color: White; Pink; Black; Orange; Blue (Optional) Material: ABS, Plastic Style: Practical BT: 5.0 Standby Time: 6 month Wireless distance: 15m / 49.2ft Applicable System: for IOS, for Android Battery: 1*CR2032 Battery Occasion: Home, Hotel, School, Outdoor Item Size: 3.8*3.8*0.7cm / 1.49*1.49*0.27inch Package Size: 4*4*1cm / 1.57*1.57*0.39inch Package Weight: 20g / 0.04lb Package List: 1 * Keys Finder 1 * Keys Finder