After the initial connection, open the cover each time it is used to automatically pair.
This earphones are IPX-4 waterproof. Users don't need to worry about sweat or rain affecting the product function.
The single ear weight only 3 grams. Realizing the real wear it without feeling.
Working time can be up to 3 hours for talking and 4~5 hours for music. 400mAh charging case provides approximately 3 charging times.