Sonos Ultimate Immersive Package with Arc Ultra 9.1.4 Channels + 2 Era 300 + Sub 4 White BF2025 Keychron K2 Pro 300497 Pixels OLED autoémissifs pour Keychron K2 Pro 300497 Clavier Aluminium RGB Sans fil et filaire 4000 mAh Coussin acoustique en silicone Touches OSA Profile Doble shot PBT Prise en charge de Mac OS et Windows KX TGM470W cordless phone 1 handset DECT 6 40 db sound amplification Expandable up to 6 handsets Slow talk mode Call blocking Voice visual call notification Auxiliary power Answering machine White Sonos Ultimate Immersive Package with Arc Ultra 9 4 Channels + 2 Era 300 Wired Speakers bluietooth + Sub 4 Wireless Subwoofer White