Enjoy listening to your music with crystal clear and detailed audio quality with Green Lion Encore Max. Talking about the technical details and special features, it's equipped with a Bluetooth V5.0+EDR technology, so you can have a stable connection and perfect pairing with a 10meter range. Up to 12 hours of playtime and 180 hours of standby time are all possible with its 470mAh battery. With lightning charging capabilities, these headphones charge quickly in just 1.5 hours, while the included protective case keeps your Encore Max headphones safe during transport. The active noise cancellation (ANC) technology focuses on blocking out the background noise to provide the best possible sound and immersive listening; plus the detachable ear cushion ensures comfort during extended listening. Specification Bluetooth Range: 10m Battery: 470mAh/3.7A Bluetooth: V5.0+EDR Standby Time: 180H Play Time: 12H Charging: Lightning Charging Charging Time: 1.5H In The Box: Encore Max, Protective Case Features Protective Case Active Noise Cancellation (ANC) Detachable Ear Cushion Built-In Microphone Lightning Charging