Dual Wireless Microphones with five sound effects: monster, KTV, male-to-female, and more Dynamic RGB Lights that sync with music for vibrant party vibes Powerful Stereo Sound with bass boost, ideal for indoor and outdoor gatherings Long-Lasting 2400mAh Battery with Type-C fast charging for up to 8 hours of playtime Multiple Connectivity: Bluetooth, USB, TF, and Aux inputs One-Touch Controls for easy sound mode switching and hands-free calling