Owlet 3rd generation smart sock

This is an owlet 3rd gen smart sock that has not been converted to a dream sock. Good used condition. My understanding is that it will work as a smart sock (continuous oxygen readings) for an iPhone user who has previously downloaded the owlet Care app or for an Android user. Otherwise it can be converted to a owlet dream sock that gives average readings every ten minutes. But please note I am not affiliated with the company and can’t take responsibility for its App Store or compatibility decisions. All parts included in photos (two socks each for size 1 and 2, charger base and cord, and smart chip). Please look carefully - there’s some signs of wear on the fabric of chip and one size 2 sock that I think may clean up with a hand wash.