Inwa Outdoor Blue tooth Speakers IPX5 Waterproof 400W Wall Mount Speaker Powerful Bass Indoor/Outdoor Sound Inwa Outdoor Blue tooth Speakers IPX5 Waterproof 400W Wall Mount Speaker Powerful Bass Indoor/Outdoor Sound System 1 Easy Remote Control 2 Good Sound Quality Company Information FAQ How many speakers can be paired together? Wireless Sync up to 100 speakers of the same model. Also, each speaker can use as an individual bluetooth source. Different speaker models cannot be synchronized together. How are they powered? Wireless or Wire? They are powered by cord adapter, the cord adapter are included in package. The speaker doesn't have built in battery. The cord adapter cord is 6.6 feet long. How far is the wireless connection between speakers? Maximum distance is 100ft. Are they 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. 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.1 (2PCS):4.1KG 1 box packed with 4 packs (8PCS):17.5KG 621 Outer box size :575*373*345MM

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