
They have a part that hooks at the top of the ear to keep them from falling out. Bluetooth 5 is good as the sending device was also version 5 so I didn't have to do anything to connect. They seem to work and the instructions are clear although the font size is quite small.

Sennheiser HD280PRO: π§ Next-Generation Pro Audio Headphones
260 Review

π§ Sony WH-1000XM4 Noise-Canceling Wireless Headphones with Alexa & Mic, Blue
330 Review

SAMSUNG Galaxy Watch Active2 (Aqua Black, R820-44mm) π± with Bluetooth, Silicon Strap, and Aluminum Bezel - International
248 Review

π« Renewed SAMSUNG Galaxy Buds Pro R190: True Wireless, Noise Cancelling Bluetooth Earbuds
208 Review