16 hrs. stereo music enjoyment without any cables for the greatest possible freedom of movement. The ergonomic fit and ultra-light weight makes the Urban Air the perfect companion for on the go or for your work out. The stable transport case with built-in power bank fits in each pocket and offers a charging capacity for 3 additional charge cycles of the earphones. Features: - Powerbank function= 3x more power - Up to 4hrs. play time with the earphone batteries - Add. up to 12hrs play time from the power bank - Auto-pairing - Touch control - Automatic on/off - Standby: Up to 100 hours - Charging time: 1hr earphones / 1hr power bank - Magnetic fixing - USB-C connector - Ergonomic fit / ultra-light weight - 400 mAh charging station / USB-C charging port - Scope of delivery: transport case with power bank, USB-C charging cable Specifications: - wearing variant: in-ear - signal transmission: wired - integrated microphone: yes - special features: true wireless - Product type: headset