This smart sound for durable and practical use is made of and with unique appearance, perfect sound effect. 4 speakers and 20W standard power. Use .0 transmission technology, high efficiency and stability. It is compatible with your TV, laptop, computer monitor and other devices. There are 3 modes: AUX/ / , the audio can be input by 5.0/3.5mm LINE cable/ card/USB (MP3). Features - Brand: FOXNOVO. - Color: Black and silver. - Material: Plastic. - Size: 42 x 9 cm. - Our 20W sound has imported audio amplifier IC chip with anti- circuit design, using .0 transmission technology for fast transmission, 4200mAh battery capacity makes it last longer. - Wooden sound cavity with 4 quality , deepen the sound quality of high/mid/low , better than other 20W sound bars. - The sound not only elevates -watching experience, but also streams music, podcasts, and more. Perfect for your home, office, , restaurant. - There are many audio input ways: 5.0/3.5mm LINE cable/ card/USB (MP3). You can active this sound to have a better surrounded sound quality as you desired. - No need to have a room to enjoy better audio playback! This compact sound installs unobtrusively in bedrooms and small environments. Specifications Standard Power: 20W Input Voltage: USB 5V, 1A/2A Input Interface: Type C Battery Capacity: 4200mAh Version: .0 Connection Distance: about 33ft Speaker: Φ66mm(4pcs) Working : 200Hz-18KHz S/N ratio:≥72dB Installation Method: place horizontally Control Mode: buttons on the sound Modes: AUX/ / Audio Input Ways: 5.0/3.5mm LINE cable/ card/USB (MP3) Charging Time: about 4-5h Working Time: about 5-6h Package list: 1 x FOXNOVO Sound 1 x FOXNOVO 3.5mm LINE Cable 1 x FOXNOVO Type-C Charging Cable 1 x FOXNOVO User Manual