N-810 Outdoor Karaoke 8-inch Woofer RGB Trolley Bluetooth Speaker with Dual Wireless Mic 1. Equipped with an 8-inch large woofer plus a 3-inch coil tweeter, adopting high-power crossover acoustic design. It delivers punchy deep bass & crisp detailed treble with full sound field coverage up to 100 meters without blind spots. 2. Multi-layer high-quality wooden cabinet with wood-grain finish effectively eliminates unwanted cabinet resonance, restores original sound, and features moisture-proof, dust-proof & anti-corrosion performance. 3. Comes with 2 high-sensitivity UHF wireless dynamic microphones for duet karaoke; a 6.5mm wired mic jack is reserved for extra wired microphone connection. 4. Built-in MIC Priority function: music volume automatically fades down when speaking, ideal for hosting & speech use; built-in reverb effect polishes vocal performance for better singing experience. 5. Two-section telescopic pull rod for adjustable height paired with wear-resistant universal casters, flexible steering for smooth towing on various road surfaces. 6. Latest Bluetooth 5.0 technology enables stable long-distance wireless connection with smartphones, tablets and laptops for seamless audio streaming. 7. Independent bass & treble control knobs on the control panel; supports USB flash drive & TF card playback for diversified audio sources. 8. Colorful flowing LED rhythm lights around the control panel flash along with music beats to create vivid party & dancing atmosphere. Specifications Bluetooth Version: 5.0 Rated Power: 40W Battery Capacity: 7.4V 2600mAh Frequency Response: 100Hz-18KHz Signal-to-Noise Ratio: >=70dB Transmission Methods: Bluetooth, USB, TF Card, AUX External power supply: DC12V Cabin Material: Wood, Plastic Dimensions: 50.7x29.5x27mm Package Contents: Speaker x 1 Wireless Microphone x 2 Charger x 1 Remote Control x 1 User Manual x 1