Inwa Bluetooth Outdoor Speakers Sync Up to 100PCS The upgraded version can support the synchronization of multiple speakers through a Bluetooth network, with up to 100 speakers that can be synchronized simultaneously. This allows you to immediately immerse yourself in a surround sound experience created by multiple speakers. Inwa Outdoor Speaker Summer Outdoor Bluetooth Speaker for Patio, Garden, Swimming Pool, Etc Inwa Outdoor Bluetooth Speakers - the perfect addition to your outdoor party! With 20W of power and built-in LED lights, these speakers will create a fun and lively atmosphere for your guests. Not only can these speakers be paired with multiple wireless speakers for a larger sound coverage, but they are also waterproof, so you don't have to worry about the elements ruining your party. The video showcases the product in use.The video guides you through product setup.The video compares multiple products.The video shows the product being unpacked. Previous page Up to 100 Speakers Wireless Linkable Patio / Swim Pool / BBQ party with your friends anytime Weatherproof Bluetooth Speaker All get ready for outdoor or pool party! 20W Power Lantern Speaker The lightweight and powerful sound makes our speakers an excellent choice for outdoor picnics. Next page 1 Sync Up to 100 Speakers 2 IPX5 Waterproof Speaker 3 20W Loud Sound Previous page Multi-color Optional Colors including red, blue, yellow, green, purple, white, changing light, and Beat-driven lights. 12.5H Long Work Time 5200mAH built in battary, you won't have to worry about running out of battery. Beat-driven Light Your speakers allows you to dance to the beat of the music anytime. Next page 1 Multi-color Optional 2 12.5H Long Work Time 3 Beat-driven Light 66ft Distance Connection Our upgraded speakers have increased the connection distance from the original 30ft to 66ft, and the connection is also more stable. How many speakers can be paired together? No quantity limit, 10 or 50 or More Speakers can be paired. Speakers of the same model can be wirelessly paired together. How long do we get care for the product after we purchase it? Amazon offers a 30-day unconditional money-back return service. However, as Inwa brand, we offer a 1 year after-sales caring. It means that if there is any product problem, we will provide free return or exchange. How far is the wireless connection distance between speakers? Max 66ft between speakers. Is it alexa compatible? Alexa is not built into this product. As with any Bluetooth speaker, however, this can connect to an Echo device and is capable of acting as a speaker for said device. (Note that it does not work with first generation echo) Are they waterproof speakers? They are IPX5 waterproof, which mean they are splash-proof and rain-proof speakers. To obtain a longer working life, we do not recommend using it in heavy rain.