True wireless headset with noice cancellation. 36 hours of listening including case.True Wireless Headset with crispy sound and heavy BassWave algorithm. Fast Pair, and IP55 and even Noice Cancellation is on board. Up to 7 hours just on earpiece, and 36 hours including the charging battery box, also intended to store your headset when not in use. Drivers are a full 12.4 mm with titanium coating for more clear and heavy sound.