AIO 3 Type Multiroom speaker Drivers Tweeter : 2 x 1″ / Woofer : 2 x 3.9″ System iOs, Android, Windows, Mac WiFi Integrated – IEEE 802.11 b/g/n Standard Set-Top Box Up to 24 bit/192 kHz Bluetooth Integrated – Bluetooth AptX v4.2 Audio input AUX IN S/PDIF input Optical LAN RJ45 10/100M LAN USB USB2.0, USB FlashDisk. Max power 5V/1A Audio formats APE, FLAC, WAV, Apple Lossless (ALAC), AAC, AAC-LC, HE- AAC, HE-AAC v2, MP3, CBR/VBR Power handling 2 x 45W, 8Ω