Tested and working. Software updated and factory reset. Comes with original ac adapter.

Specs:

Supported Audio Formats

• HE-AAC
• LC-AAC
• MP3
• Vorbis
• WAV (LPCM)
• Opus
• FLAC with support for high-resolution streams (24-bit/96 kHz)

Wireless network

• 802.11b/g/n/ac (2.4 GHz or 5 GHz) Wi-Fi 
• Bluetooth® 4.1
  • Supported Bluetooth profiles
    • AVRCP controller
    • AVRCP target
    • A2DP sink
    • A2DP source
    • GATT server
    • GAP

Audio

• Far-field voice recognition supports hands-free use
• 360-degree sound with 40mm driver
• Chromecast and Chromecast Audio
• Bluetooth ® support

Sensors and Microphones

• Capacitive touch controls
• 2 far-field microphones