N-625 Outdoor Karaoke 12-inch Woofer RGB Portable Trolley Bluetooth Speaker with Dual Wireless Mic 1. Powerful Stereo Sound: Equipped with 12-inch large mid-bass driver plus compression horn tweeter for layered audio performance. Deep booming bass & crisp penetrating vocals deliver wide sound coverage up to 500m2, ideal for group dancing and karaoke for nearly 1000 people outdoors. 2. Stable Bluetooth 5.0 Connection: Upgraded Bluetooth 5.0 module ensures fast, lag-free pairing with cellphones, tablets and laptops; extra USB & TF card slots for flexible offline music playback, multi-function control knobs for customizable audio effect. 3. Dynamic RGB Ring Light & Portable Trolley Design: Built-in colorful dynamic LED ring light cycles multiple colors with music beats for vivid party atmosphere; durable textured ABS cabinet comes with retractable pull rod & silent rolling casters for effortless outdoor transport. 4. Long-lasting Dual Power Supply: 4000mAh built-in rechargeable lithium battery supports 6-12 hours continuous playback; DC12V external power input enables connection with storage battery for all-day outdoor events. 5. Complete Karaoke Kit: Comes with 2 UHF wireless microphones for instant wireless singing; included IR remote controller supports 10-meter remote control for track switching, EQ adjustment and mode shift conveniently. Specifications Bluetooth Version: 5.0 Rated Power: 80W Battery Capacity: 4000mAh Rated Voltage: 220V13.5V-2A Frequency Response: 100Hz-20KHz Signal-to-Noise Ratio: >=85dB Transmission Methods: Bluetooth, USB, TF Card Power supply: DC12V Cabin Material: ABS Dimensions: 52x34x25mm Net Weight: 4.5kg Package Contents: Speaker x 1 Wireless Microphone x 2 Charger x 1 Remote Control x 1 User Manual x 1