Product information: Model: A80 Bluetooth chip: blue news AB5756C Bluetooth version: V6.0 Horn: 10mm moving coil high-amplitude black PU Color: black, white, pink Charging port: TPYE-C Headphones and Charging Case Specifications Headphones Battery: 40mA Charging Case Battery: 380mA Headphones Charge Approx. 1 hour Charging Case Battery Approx. 1.5 hours Battery Life: 6-7 hours Packing list: A pair of headphones