Dear customer, please note that items Yealink SIPPWR5V2A-AU, 5V 2 Amp Power Adapter - Compatible with the Yealink T43U/T46U/T48U/T53/T53W/T54W/T56A/T58A/T58W/T57W/MP5x/Fanvil X210 are currently listed as pre-order/on order. You can continue to place a backorder and it will ensure earliest allocation when these products are available. Our team will contact you to notify the expected ETA. Thank you.