Auricular OD HC 40 + 1 almohadilla grande - Onedirect

Calaméo - Od Es 109

Halex 1 in. Strain-Relief Cord Connector 16933 - The Home Depot

TT019 Universal Disposable Earpiece In-Ear Single-Sided Earphones 3.5 mm Audio Jack for Tour Guide Receiver

Calaméo - Od Es 106

Auricular OD HC 40 + 1 almohadilla grande - Onedirect

Ergodyne 12440 Chill-Its 6609 Cotton Terry Hard Hat Sweatband

Calaméo - Od Es 107

Universal Hard Hat Brim with Neck Shade

Disposable headset for retekess T131, T131S, TT109, TT110, TT101, TT104 ,TT116 wireless tour guide systems, The single-sided headset allows users to

TT019 Universal Disposable Earpiece In-Ear Single-Sided Earphones 3.5 mm Audio Jack for Tour Guide Receiver