Savvy travellers know that trackers offer real-time reassurance by keeping tabs on checked luggage, hire cars and even wandering companions - no matter where you're headed. With the ability to eliminate the anxiety of lost valuables and logistical headaches , nifty Bluetooth trackers are rapidly becoming an essential item for many. While there are countless makes and models on the market, the Samsung Galaxy SmartTag2 is proving consistently popular amongst Android users. Currently a single tag