About this item Mobile Bluetooth Speaker: High-fidelity sound quality and bass compensation design make listening to music an immersive experience. The subwoofer technology delivers enjoyable and perfect tone quality for you to enjoy. Retro Style: Not just a stand holder, it also serves as a classic decoration. Supports TF card and U Disk reader player, AUX audio input connection, and hands-free calls, ensuring perfect compatibility and seamless Bluetooth wireless connectivity. Rechargeable Battery: Equipped with a built-in 1200mAh lithium battery, you can enjoy 4-5 hours of music playback on a single charge. The built-in USB port allows you to plug in your charger, so you can maintain power on the go. Size: 3.94'D x 7.68'W x 3.31'H.