Samsung Level On Wireless On-ear Headphones Black Sapphire - EO-PN900BBEGUS Type: Bluetooth Headset Ear Coupling: Over the Head Talk Time: 11 hours of talk/listening time ANC On, 23 hours of talk/listening time ANC Off Bluetooth Version: 3.0 Battery: Built-in Battery (Li-Ion Battery) Specifications: 3.5 mm audio cable 40mm Dual- Layered Diaphragm Speaker Unit Package Contents: On-Ear Headphones, 3.5 mm Audio Cable, Carrying Pouch, Quick Start Guide