•With up to 21 hours of battery life (6 hours from the earphone and 15 hours from the charging box) you can listen to music all day and all night and get additional playback time with just 15 minutes of charging
• Enjoy your own private concert as long as you like
• Dual Connect lets you listen to music or phone calls seamlessly, either through an in-ear phone or through both
• Battery life is on your side
• You can continue using the second one while you load a earphone

JBL is an American company that manufactures audio equipment, including loudspeakers and headphones
• The firm contains two independent divisions: JBL Consumer serves the consumer home market, and JBL Professional serves the studio, installed sound, tour sound, portable sound (production and disc jockey (DJ)), and cinema markets
• JBL is owned by Harman International Industries, a subsidiary of Samsung Electronics