BEYONDAY with Wireless Microphone Karaoke Set Dual 8-inch Bass RGB Light Charging Big Speaker Black Bluetooth Speaker

BEYONDAY. Color: Black. Waterproof grade: Not waterproof. Number of speakers: 2. Material: Plastic. Effective distance: 15 meters. Signal to noise ratio: 70db. Number of speakers: 2. Rated voltage: 7.4. Rated power: 40. Color: Black. Connection method: Bluetooth connection. Material: Plastic. Waterproof grade: Not waterproof. Effective distance: 15 meters. Does it have a built-in battery No battery included. Frequency response range: 150Hz-18kHz. Power supply mode: USB main downstream platform. Additional features: card insertion, remote control, call function. Bluetooth version: 5.0. Brand New and High Quality. Applicable scenarios: In car, desktop, fitness, outdoor, home, mobile and portable, karaoke, square dance, outdoor lawn. Exterior dimensions: 307298757mm(12.09 11.73 29.80in). Certification types: CE, FCC, ROHS. Package Include: Speaker. Wireless Microphone. Remote Control. Charging Cable. Notice: 1.1cm(0.43in 10mm=0.39inch. 2. Please allow 1-2mm(0.04-0.08in error due to manual