Hi, Dear little angel, welcome to Jacenvly, our products are cheap and good quality, price is fair, you can't miss it. If this product is not your style, please click on our store, we have many kinds of products, there will be you like and suits you. If you have any questions about your purchase, please send us the first message, we offer world class customer service to make your purchase without your worries. Have a nice day. Solar Wireless Bluetooth Speaker Outdoor Dormitory Square Dance Car Mobile Portable Flashlight Card AndUSB Drive Specification: Product Name:Solar powered audio system Product Color:Black,Blue,Red Material: ABS Gross Weight:288g/0.63lbs Single Package Size: 16.5×9×5.1cm/6.49×3.54x2.00inch Product size：15.8×7.4×4.4cm/6.22×2.91×1.73inch Bluetooth: 5.3Connection distance: 10 meters Card compatibility: TF Working hours: 2 to 5 hours Battery capacity: 500mAh Solar charging power supply: 0.2Ah Features: polycrystalline silicon solar panels: automatic solar charging, long service life of polycrystalline silicon upgrade, and high photoelectric conversion rate. USB charging: Multi electronic devices such as power and plug in car charging. One machine with multiple functions: can be into USB flash drives, radios, and memory cards; Equipped with Bluetooth, flashlight, and solar energy. Widely applicable scenarios: suitable for desktop, fitness, travel, and outdoor use. Additional features: card insertion, solar power, lighting, and calling functions. Convenient to carry: The product is equipped with a hanging rope, which can be directly carried by hand and is easy to carry Package Include: 1×Bluetooth audio 1× Data line Specification: Product Name:Solar powered audio system Product Color:Black,Blue,Red Material: ABS Gross Weight:288g/0.63lbs