Custodia cover batteria esterna originale AA per Sony WM-EX600 EX610 EX621 EX631
WM-EX600 EX610 EX621 EX631. not including AA battery. 1x AA Battery case（not including battery）. Compatible with Sony. Note, this is original accessory, no DC input. WM-EX909 FX909 FX999. WM-FX707 FX808 FX877 FX888.