If your loop system on your hearing aid doesn't seem to be working, check the building you are in has it switched on.
ReSound Alera 4 BTE 77/87 Hearing Aid
ReSound Alera 4 is a basic model for users who find themselves in mostly quiet environments where wireless connectivity is not necessary, such as one-on-one conversation, watching TV alone, or quiet, solitary activities. 2.4 GHz wireless technology extends ReSound Alera’s reach and maximizes its benefits by letting people hear sound sources outside of a hearing device's normal range. ReSound Unite wireless accessories send clear, echo-free sound directly into the hearing aid without an intermediate device. Used with a custom fit mould (the open fitting would be suitable for good dexterity) and considering the larger hearing aid button/switch increase the dexterity to 4 thumbs up.