Monster Airmars XKT16 has a half-ear design is suitable for the curved ear canal, no feeling of compression, and will not wear for a long time. The compartment is designed with a hanging loop on the outside that you can place it anywhere. Monster XKT02 headphones have 360° High Fidelity surround sound, HiFi sound quality, high definition voice. The charging case with 300mAh capacity, has stable charging and longer lifespan and extra long standby time. Bluetooth 5.3 chip, take out the headset and connect it for a few seconds The connection is fast, accurate, stable and low power consumption. Characteristic Monster airmars XKT16 Material Metal,ABS Number of controllers 2 Battery capacity 300 Maximum output 10mW Features waterproof,With microphone AAC Codecs Built-in microphone yes Type C charging connector Battery capacity playing time: 4-5 hours Total playback time (with charging station): about 20 hours Charging time: 1.5 hours Noise Cancellation: Yes Game Mode: Yes Compatible with Android & IOS