Product Material: Plastic Size: 178*60*60mm ColorBlack Power supply mode: Built-in lithium battery Output power: 10W Signal to noise Ratio: 70db Function: Anti-drop, waterproof, dustproof, call function, with LED light Package content: 1 * LED Bluetooth speaker, 1 * USB cable 1.30h Playtime 4000mAh Portable Power Bank3.5 hour charge The powerful 4000mAh Li-ion battery offers up to 15 hours of non-stop music. You can also use the portable speaker as a power bank, instantly charge your phone outdoors or in emergency time. Enjoy your music anytime, anywhere, no matter where you go. 2.360 Stereo Sound40mm dual drivers and two passive subwoofers bring powerful bass, but also has crystal-clear mids and highs. Built-in high-quality microphone and noise-canceling technology ensure clearer hands-free calling and offer 360 surround sound. Hear your favorite music anywhere, clearer than ever 3.IP67 Waterproof Dustproof ShockproofIP67 waterproof bluetooth speaker with TPU silicone material perfectly protect wireless speaker from water and dust. Perfect for the beach or pool and even play in the rain. It is also extremely hard-wearing and has passed numerous fall tests. Ideal for outdoor workout, travel and hiking. 4.Fashionable LED Light DesignThe bluetooth wireless speaker has three light modes and portable design suitable for kitchen, party, outdoor and car. Light and music are the ideal companions for holidays or leisure. If you just want to enjoy music, you can also turn off the light. Ideal for every Christmas - no matter where you celebrate 5.Wide CompatibilityThe Bluetooth speakers offer faster and more stable signal transmission via dual high-performance drivers. The Bluetooth range is 20m. This powerful Bluetooth speaker is compatible with any Bluetooth device. You can also use the 3.5mm cable to connect the portable bluetooth speaker to non-bluetooth devices such as PC, desktop, TV and more.