T POWER Ac Dc Adapter Compatible with Bose SOUNDLINK AIR Adapter Model: PSM41R-200 P,N: 352245-0010 (20v) PSM41R200 3522450010 Replacement Switching Power Supply Cord Charger Wall Plug Spare

every now and then your Soundlink air system may need a software update to maintain its best possible performance here's the preferred method once you initiate it everything happens automatically first make sure your system is on and connected to a Wi-Fi network and make sure your Wi-Fi internet connection is active your systems indicator light should glow solid blue now take your remote point it at the system and press and hold the mute button for five seconds keep an eye on the Wi-Fi indicator if it blinks green four times your system software is up-to-date it will reset itself and the LED will blink blue and then remain solid again you can release the mute button and you're done but if it starts blinking green rapidly your system has found an update and has already begun downloading it you can release the mute button the blinking continues during the download from here on you want to