Instructions for use:1. Product connection (using an auxiliary tool):During the performance, enter the seat number on the official support post and automatically change the color to match the performance on stage for a more enjoyable performance. (Depending on the situation, some shows are excluded)2. Lighting control:With Bluetooth connection, you can connect the official TWICE-enabled device and your own smartphone, control brightness, color and light mode, and create an ambient atmosphere.3. It applies to aspects of different members:You can change your own app by setting the member image as the apps background screen.4. Connect to the YouTube channel:You can watch different videos through the double YouTube channel.5. Check the remaining battery capacity of the bar:You can check the remaining amount of Candybost batteries associated with the app.selection of functions:Long light, slow forward scrolling, fast forward scrolling, fast flashing1/2/3/4, four degreesBright LED mode: LED RGB LEDBluetooth version: Bluetooth 5.0 (working range - 10 m)Rod Size: 111 x 264 x 52 mmSilver color PlasticDimensions: length 27 cm, lamp width 10,5 cm, handle width 2,7 cmDesign: round, very fashionableMaterial: plasticApplication: suitable for children and adults, very suitable for parties, schools, concerts and other occasions.The package includes:1 x V2 Lightstick1 random photo card1 wrist strap1 instruction