Feature 1[Durable Material]: The bag is made of premium 600D polyester and PEVA 7mm thick insulation, ensuring water resistance and keeping foods and drinks freshly for up to 8 to 10 hours. 2[Solar and USB Charging]: The bag has a built in rechargeable battery that can be charged via solar power or USB, allowing you to keep your device powered while on the go, ideal for outdoor activities such as beach trips, picnics, camping, parties and festivals. 3[Wireless Speaker]: The bag is equipped with wireless speakers and Bluetooth connectivity ensures seamless connect to your device for up to 12 hours of continuous playback. 4[RGBW LED Light]: The bag has multi functional RGBW LED lights to add a vibrant ambience to your outdoor gatherings, beach parties, boat trips, alone adventures, etc. 5[Multiple Pocket and Dual Zipper]: The bag has multi pocket design to store a variety of camping items, and uses a double zipper system design to facilitate you to pick up and put foods and drinks, is a versatile and spacious outdoor adventure backpack.Item Type: Solar Insulated Ice BackpackMaterial: 600D Polyester, PEVAColor: GreenBattery Capacity: 2000mAh (shipped with built in battery)Battery Type: Polymer Lithium BatterySolar Charging Time: 20-24 hoursUSB Charging Time: 3HBluetooth Version: 4.0Connection Range: Approx. 10m / 33ft .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x SpeakerCooler IceBackpack1 x USB Output Cable1 x USB Charging Cable1 x User Manual1 x Strap