B01M8I7K34 LSTN Bolt Wireless Fitness Earbuds with in-Line Controls in Black

Custom tuned 6mm drivers and Bluetooth 4.1 ensure that the Bolt has unparalleled sound quality.
Sweat-resistant with a rating of IPX4, the Bolt will stay with you through whatever your workout holds. Except swimming. You can’t go swimming with these.
The state of the art wireless technology in the Bolt gives you a connection range of over 120 ft (40 m), with a battery life of over 10 hours.