Specifications: Bluetooth 5.0 connection, faster and more stable transmission. Support USB disk/TF card playback, very convenient for use. It has the FM radio function, lets you enjoy the radio in leisure time. Item Name: Sound Bar Material: Metal + ABS Bluetooth Version: V5.0 Transmission Distance: 10m Sound Bar Battery Capacity: 2000mAh (Included) Remote Controller Battery: 1 x Button Battery (Included) Output Power: 5W*4 Audio Device: Internal Magnetic Speaker x 4 + Diaphragm Device x 2 Radio Frequency (Built-in Antenna): 87.5-108 Input Mode: Bluetooth, FM, TF, 3.5mm, U Disk, RCA (TF Card & U Disk Not Included) Supported Formats: MP3, WMA, WAV, FLAC, APE Total Harmonic Distortion: 1% Rated Impedance: 4Ω Frequency Response: 20Hz - 20KHz SNR: -80dB Features: bluetooth-compatible Connection, Rechargeable, FM Radio, Stereo Length: 55cm/21.65" (Approx.) Side Diameter: 6.2cm/2.44" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Sound Bar 1 x Charging Cable 1 x RCA Cable 1 x Remote Controller