- HiFi Stereo Sound and Noise Cancellation: offers natural and authentic sound with powerful bass. It features 4 microphones and noise reduction technology for clearer calls and superior sound quality. - 36 Hours of Playback and Power LED Display: up to 6-8 hours of use on a single charge and a total of 36 hours with the charging case. The LED display shows the remaining power of the headphones and the charging case. USB-C fast charging included. - Bluetooth 5.3 and Wide Compatibility: faster and more stable connection with Bluetooth 5.3 chips. Compatible with most Bluetooth-enabled devices. - Ergonomic Design and Water Resistant: ergonomic design with different sizes of silicone earplugs. Lightweight and comfortable. Sweat and rain resistant thanks to its sealed housing and internal nano-coating. - Quick Pairing and Touch Control: automatic device recognition. Touch control to answer calls, play music, adjust volume, etc.