Computer Speakers For Pc Desktop With Clear-Sound, Flowing LED PC Speaker For Computer Desktop Laptop Monitor, Bluetooth& USB Input BS-28B

Applicable scenarios: fitness sports, outdoor, home, broadcasting system, outdoor lawn, 19147661588, other Connection method: Bluetooth connection Frequency response range: 100HZ-20KHZ Signal to noise ratio: ≥ 75dB Number of speakers: 4 Effective distance: 10 meters Box material: Plastic Exterior dimensions: 550 * 50 * 50mm Item number: BS-28B Color: Black-BS-28B (white box), Black-BS-28B (color box), Black-BS-28B (pearl cotton packaging) Power supply mode: USB Main sales regions: Europe, South America, Southeast Asia, North America, Europe and America Waterproof grade: IPX 4 Bluetooth version: 5.0 Built in battery capacity: null Rated power: 20 Net weight of product: 0.585kg Horn unit: 4 Packing list: Charging cable, RCA cable, instruction manual, remote control Product size: 550 * 50 * 50MM Rated voltage: 3.7 Additional features: card insertion, remote control, voice prompts Certification types: CE, FCC, ROHS Built in battery: Built in battery