Easy to use with USB OTG: Use the phone connector to convert and connect to mobile phones. For Android devices, enable OTG in Settings (Settings > More settings > OTG) before use. Bright 4 color LEDs with large projection: Four color LED beads provide strong light and a wide projection area for impressive illumination. Durable and energy efficient: Low heat and low power consumption at 4W. Long lifespan up to 20,000 hours. Ecofriendly and energysaving. Unique design with voice activation: Builtin smart voice activation sensor. The strobe lights respond to nearby sounds or music, changing color or speed accordingly. Ultra portable and USB powered: Very small and portable, even smaller than an egg, yet very bright. Powered by a USB port; simply plug into any USB output or power bank. Compatibility and use guidance: Designed to be used with devices that support OTG via the included phone connector; ensure OTG is enabled on the phone before operation. Use scenarios Home parties or bedroom lighting: Compact, plugandplay disco light that adds dynamic color and motion to small spaces. Small gatherings or events: Voiceactivated mode provides automatic, musicresponsive lighting to enhance ambiance without extra equipment. Travel, onthego entertainment: Ultraportable design and USB power allow easy setup with power banks or USB ports for portable lighting anywhere.