Do you have a question about the Aukey EP-B40 and is the answer not in the manual?
Fully charge your earbuds before first use. Connect the micro-USB cable to charge.
Press and hold the multi-function button to turn earbuds on or off.
Instructions on how to pair the earbuds with a device for the first time.
Guide to connect the earbuds to two devices simultaneously.
How to answer, end, reject calls, and manage call functions using the earbuds.
Instructions for playing music and controlling audio playback via the earbuds.
Equipment complies with FCC Part 15 limits for residential use.