The hearing aids are Phonak Audeo Lumity 50 312(battery) s/n 2432X14YA and 2432X14Y9 they also have a Phonak guarantee which runs out October 2029. Have only had these since October 2024 selling as person using them has passed away. Paid £2500 brand new They will need to be reprogrammed if you contact your local phonak supplier.
eBay