1.Small Thin & The compact size makes it easy to fits into your keys, wallets, luggage, purses, backpacks, cameras, , and more Track & Locate Lost Items This 2-way system attaches to personal items and uses Bluetooth 4.0 technology so you track of valuables Real-time Notification --- A two-way system that lets you track lost items or be notified when they are out of range with a ring, vibrate or flash Find Anything in Second Attach this Bluetooth to anything we always forget and Keep track of them.-Taking Pictures Remotely - Control your Smartphone camera from distances of up to 49.2 foot(15M) Product Name: Bluetooth Smart Tag Finder Tracer Product material:ABS Product color: random color Product size:3.7cmx3.7cmx0.5cm Product weight:13g Package Contents: 1x Bluetooth Key Finder 1xChinese/English using manual Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.