Owlee Aviary Wireless Bluetooth Speaker Premium HD Surround Sound with Rich Extra Deep Bass Modern Design NFC and Wireless Bluetooth pairing with voice prompts; easily take calls and access Alexa, Siri or Google now 20 Watts of power with extra deep bass for that full-range listening experience Enjoy up to 9 hours of play time with the built-in rechargeable, lithium-ion battery High quality Hands-free calling, Sleek design with touch controls Rich, Deep, and immersive sound with 3D Sound Technology delivering full 360-degree immersive sound coverage