●【How to use】There is a strap hole in the back of the compass so you can tie your bag or other things. It can match different styles of watches and looks beautiful. Of course, a good learning tool for children to learn how to identify directions ●(High Precision Azimuth Magnet) This is a lightweight, compact, and highly accurate watch-type compass. This is a must have to be carried with a map when climbing or hiking in case you get lost in the way ●[Uses] Ideal gadget for outdoor use, underwater caves, camping, hiking, cycling, hunting, parachute jumping, and other outdoor survival kits ●【Watch compass】This compass adopts a watch design, which is lightweight, portable and easy to use. And the compass can be disassembled, very convenient for outdoor sports and activities ●Note: Store in a dry and cool place. Please keep away from sunlight, metal objects and electromagnetic affects