2 x 8W Power Output/ Google Assistant Built-In/ Hands-Free Voice Control/ Chromecast Built-In/ 24 Bit/96kHz High Quality Sound/ Multi-Room Playback Across Speakers That Have Chromecast Built-In/ 2.4/5GHz Wi-Fi Connection Network Support/ Wireless Bluetooth Streaming/ 5 Hours Of Playtime/ IPX7 Waterproof/ Lifestyle Material/ Built-In 4000mAh Rechargeable Li-ion Battery/ 65Hz–20kHz Frequency Response/ Black Finish