Stereo music enjoyment without cables for maximum freedom of movement. Thanks to the ergonomic fit, this ultra-light headset is the perfect companion for on-the-go and during workouts. The sturdy transport case with an integrated power bank fits into any pocket and provides enough capacity for three full charges of the earbuds. Power bank function for three times more power, up to four hours of playtime with the earbuds' batteries, plus up to twelve hours of playtime from the power bank. Auto pairing, touch control button on the earbuds. Standby: up to 100 hours. Magnetic fixation of the earbuds, ergonomic fit, ultra-light.