zeadio 8-Pair Pro-Grade Covert Surveillance Earbud

Premium material of hypoallergenic, medical-grade polymer brings safe and durable experience., Zeadio earpiece features seven contact points to lock it in place. Adopting an ergonomic design, it provides you a comfortable wearing for all-day use., The low-profile design means it can be worn while wearing a hat, helmet, mask or headset. Suitable for running, riding, security working, secret working, etc., For use with most Coil Tube Audio Kits, either Left or Right Ear., Quantity & Size: 2 Pairs of Large, 4 Pairs of Medium, 2 Pairs of Small.