Bluedio T5 HiFi Active Noise Cancelling Headphones Wireless Bluetooth Over Ear Headset with Microphone - RedKey Features...Equipped with bluetooth 5.0 chip, standby for up to 1000 hours after fully-charged.Low power consumption, high transmission, free shuttle music, Film and television, function and game world.The comfortable and soft earmuffs, comfortable to wear, with large expansion head beam,..