Single Waterproof Bluetooth Earbud - Smallest Wireless Earbud Earpiece Headset Headphone Earphone Car Headset with HD Microphone for iPhone Android and More(One Pcs)-Black Cables Just control the TWS master

Just control the TWS master device

It is specially designed for Fitbit Versa Family

You always know when it's fully charged and how much power it's available

with absolutely no tools required

Width:23cm/9in

Single Waterproof Bluetooth Earbud - Smallest Wireless Earbud Earpiece Headset Headphone Earphone Car Headset with HD Microphone for iPhone Android and More(One Pcs)-Black Cables Just control the TWS masterBrand: Red2Fire Color: Black Features: IPX8 Waterproof Professional Manufacturer of Bluetooth Earbuds. The IPX8 Waterproof Bluetooth single earbud had been passed waterproof test, Wear comfortable, hidden, perfect for showering, working, running, driving, jogging, yoga, exercises, gym, travelling and a variety of scenes. Enhanced Comfort Version The smallest IPX8 Invisible Wireless earbud is improved by using a new kind of high quality ABS material