【Double Lossless Noise Reduction】: 5.0 Bluetooth headset adopts CVC + DSP digital lossless noise reduction technology, which can effectively filter external noise and deeply restore sound, even if the outside world is noisy, you can make high-definition calls【Comfortable to Wear】: The surface of the earphone body is sprayed with rubber oil, anti-oxidation, soft and delicate. The earphone head can be rotated 180°, and both ears can be worn. The weight is only 12g. Wearing for a long time, your ears will not hurt【Large Capacity Battery】: The meticulous structural design, equipped with a larger battery, meets the needs of various occupations for high-capacity headphones. The standby time is 200 hours, the listening time is 16 hours, and the talk time is 18 hours【Smartly Connect 2 Mobile Phones】: The ear-hook Bluetooth headset can be connected to the mobile phone at the same time or used separately, which is equivalent to two independent headsets, which can listen to music and answer calls without delay【Strong Compatibility】: The Bluetooth earbuds are smart compatible with 99% of the Bluetooth devices on the market, as long as your device has Bluetooth function, you can connect it. for running, jogging, hiking, yoga, exercises, gym, fitness, traveling and etc