[USB POWERED]: Can be power by USB port or a power bank(USB Port And Power Bank are Not Included); free from batteries; With a power bank or laptop,The String Light can be used anywhere such as indoor, bedroom, camping, party, wedding, cafe, commercial decoration etc. [FLEXIBLE And DURABLE]: Super bright LED lights; 16Ft long ultra-thin Silver wire; 4 inches distance between LED bulbs; you can use it to cover virtually any area or structure and create a romantic atmosphere in your home, restaurant or shops. [EASY TO USE]: The USB string lights can be used both indoor and outdoor. Twining around flowers, plants, trees, and vines, or pinned across walls and ceilings, creating a starry effect. These versatile Firefly Bunch Lights are perfect for accenting floral arrangements, tabletop displays, ornamental bushes, potted plants, decorative bottles and so much more – the possibilities are endless. [USB POWERED]: Can be power by USB port or a power bank(USB Port And Power Bank are Not Included); free from batteries; With a power bank or laptop,The String Light can be used anywhere such as indoor, bedroom, camping, party, wedding, cafe, commercial decoration etc. [FLEXIBLE And DURABLE]: Super bright LED lights; 16Ft long ultra-thin Silver wire; 4 inches distance between LED bulbs; you can use it to cover virtually any area or structure and create a romantic atmosphere in your home, restaurant or shops. [EASY TO USE]: The USB string lights can be used both indoor and outdoor; Twining around flowers, plants, trees, and vines, or pinned across walls and ceilings, creating a starry effect. These versatile Firefly Bunch Lights are perfect for accenting floral arrangements, tabletop displays, ornamental bushes, potted plants, decorative bottles and so much more – the possibilities are endless.