New Wireless KTV Smart Bluetooth Speaker | Car Audio Subwoofer | Portable Bass Stereo System | Perfect Gift for Home/Outdoor/Travel

Power Supply: USB Color: Black, Red, Green Frequency Response: 100HZ-20KHZ Built-in Battery Capacity: 2000mAh-4000mAh (inclusive) Product Weight: 1350G Connection Method: Bluetooth Rated Voltage: 5.1V Bluetooth Version: 4.2 Number of Speakers: 2 Item No.: M17 Application Scenarios: Vehicle, Desktop, Fitness, Outdoor, Home, Portable, Karaoke, Live Streaming, Square Dance, Broadcasting System, Outdoor Lawn, Others Dimensions: 377150158 (unit assumed as mm) Rated Power: 20W (assumed) Built-in Battery: Yes Cabinet Material: Plastic Battery Capacity: 3600mAh Shell Material: Paper Tube + Plastic Waterproof Rating: IPX5 Patent No.: ZL202030276958.X Effective Distance: 15m Signal-to-Noise Ratio: ≥75dB