Wireless bluetooth (version 4.2 + EDR JL) sports version earphones. This allows you to connect to your smartphone wirelessly up to a distance of 10 meters. Have conversations and listen to music without limiting freedom of movement. Easy to operate and equipped with special, flexible sports earbuds with silicon earplugs. Includes 60mAh battery with playback time of 3 hours, micro-USB charging cable and user manual. Per unit in a sturdy storage case with zipper.