Features: Green light: Approaching the elves, red light: Failed to capture Compatible with sprite, colorful light: Capture Success. This device is mainly to assist players to remind and capture in Compatible with time when they encounter elf pet around them. The device is mainly connected with a cellphone. This is similar to the Compatible with smart pedometer that many players see in their lives. The ordinary model does not have a charging function, the charging model has a charging cable, and the charging model has a Compatible with smart switch with a charging cable. If there is an elves or pets nearby, the LED lights of the bracelet will flash or vibrate to improve the player, there are three kinds of lights: green light, red light, colorful light, different lights have different effects! Specifications: Material: ABS Size: Approx. 13x5x3 Compatible with cm/5.12x1.97x1.18 in Note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind beCompatible withe you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Compatible with Smart Bracelet