The Robot Bluetooth Rechargeable Soundbar RBT-258 offers an immersive 3D sound experience with a range of features designed to enhance your audio enjoyment. The soundbar provides 3D stereo surround sound, creating an immersive audio experience that brings your music, movies, and games to life. Equipped with four full-range speakers and dynamic bass technology, the soundbar delivers powerful and detailed audio with deep, rich bass. Special port tube reflection further enhances the bass response, providing an immersive cinema-like experience.With a maximum volume of 96dB and peak power of 80W, the soundbar delivers impressive sound levels with less than 1% total harmonic distortion, ensuring clear and distortion-free audio reproduction.The soundbar offers better sound reproduction than many other products on the market, allowing you to hear every music note and dialogue detail with clarity and accuracy. The soundbar features two 5W speakers with 4-ohm impedance and 66mm horn type drivers, delivering balanced audio performance across the frequency range.The soundbar supports multiple wired and wireless connection options, including Bluetooth 5.0, HDMI input, TF/microSD card, USB flash drive, and AUX mic/guitar input. This allows you to easily connect various audio sources for playback. The soundbar is powered by a built-in rechargeable battery with a capacity of 3.7V / 2400mAh, providing up to 9 hours of playtime on a single charge. This allows you to enjoy extended listening sessions without needing to constantly recharge the battery. With Bluetooth 5.0 technology, the soundbar offers wireless connectivity with a range of up to 10 meters, allowing you to stream audio from compatible devices without the need for cables. The soundbar has a sleek and compact design, measuring 70cm x 8.1cm x 8.2cm, making it easy to place on a TV stand, shelf, or mounted on a wall for convenient placement in any room. The soundbar includes features such as FM radio, hands-free calling, TWS (True Wireless Stereo) connection support for pairing multiple speakers, and support for external storage devices up to 32GB.