This smart sound bar for for durable and practical use is made of quality material and with unique appearance, perfect sound effect. 20W standard power, 10W for each speaker. Use V5.0 wireless transmission technology, high efficiency and stability. It is compatible with your TV, laptop, computer monitor and other devices. Besides, it is lightweight and with mini size, you can take it with wherever you go. Features - Color: Black. - Material: Plastic, metal. - Size: 41 x 8.5 x 7.5 cm/16.14 x 3.34 x 2.95 in. - 20W sound bar, using V5.0 wireless transmission technology, high efficiency and stability. Built-in bass cavity, with better sound quality than other 20W sound bar. 140Hz-13KHz frequency response and 4 Omega; impedance makes this sound bar more sensitive. - 1.8" LCD display will show AUX/wireless/clock modes switch statue. It is compact and lightweight, recommended to place it horizontally. - No matter if you're standing by the TV or laying on the couch, this sound bar can be operated via the integrated buttons or included remote control. - The sound bar not only elevates the TV-watching experience, but it also streams music, podcasts, and more. Perfect for your home, office, bar, restaurant. - No need to have a spacious living room to enjoy better audio playback This compact sound bar installs unobtrusively in bedrooms and small environments. Specifications: Standard Power: 20W Input Voltage: USB 5V, 2A-3A Input Interface: Type C Wireless Version: V5.0 LCD Display: 1.8" Impedance: 4 Omega; Frequency Response: 140Hz-13KHz Sensitivity: 72dB Speaker: E=50MM, H=10MM/bass sound hole Installation Method: Place horizontally Control Method: Remote control/button/rotary knob Audio Input: Wireless 5.0/3.5mm LINE IN audio cable/TF card/USB (MP3) Modes: AUX/wireless/clock mode Battery Capacity: 4500mAh Charging Time: About 4h Working Time: About 6h