With an integrated solar panel Renogy E.TUNES portable solar Bluetooth speaker ensures your favorite music always with you during any outdoor adventure. Like the idea? Let’s keep checking.The E.TUNES is an eco-friendly and powerful solar Bluetooth speaker that measures 8.9 x 6.9 x 2.2 inches and weighs 1.9 ounces. As shown in the images, the solar powered speaker sports a low-profile and rugged appearance design, and the IPX6 rated design allows it to withstand splashes, rain and other harsh natural conditions. Meanwhile, using the compact and lightweight design and integrated strap you can easily attach the speaker onto your backpackWith an integrated solar panel Renogy E.TUNES portable solar Bluetooth speaker ensures your favorite music always with you during any outdoor adventure. Like the idea? Let’s keep checking.The E.TUNES is an eco-friendly and powerful solar Bluetooth speaker that measures 8.9 x 6.9 x 2.2 inches and weighs 1.9 ounces. As shown in the images, the solar powered speaker sports a low-profile and rugged appearance design, and the IPX6 rated design allows it to withstand splashes, rain and other harsh natural conditions. Meanwhile, using the compact and lightweight design and integrated strap you can easily attach the speaker onto your backpack