New launching BLACKPINK official light stick with Strap for cheering. Pink Light & Hammer sound. 9cmx15.5cmx25.5cm. YG Entertainment User’s Guide 1. If the direction of the squeaky hammer’s sound switch is vertical, the squeaky hammer sound is heard. 2. If the direction of the squeaky hammer’s sound switch is horizontal, the squeaky hammer sound is not heard. 3. Press the power switch once to turn on the power, press it one more time to the music response mode, and press it once again to turn off the power. ( It is not recognized when pressing the button 3 times continuously) 4. The battery cap can be removed to replace the AAA battery. 5. The enclosed hand strap is used in the lower strap hole.