Bluetooth 5.25 Indoor/Outdoor Weatherproof Patio Speakers (Black- pair) Wireless Indoor/Outdoor speaker with long range V3.0 Bluetooth technology 30w High Efficiency Class D amplifier will easily fill your outdoor area with great sound Dimensions: 9.50" x 7.25" x 4.00" (each speaker). || One speaker gets plugged into a 110v outlet , then one wire connects the Master speaker to the slave speaker. Ideal wireless solution for Pool speakers, Patio and Deck speakers, Outdoor Living and Outdoor Home Theater speakers Weatherproof design in beautiful black cabinet