Active Noise Cancellation Earphone - Engineered with Hybrid Active Noise Cancellation and industry-leading 4 mics,this active noise cancelling wireless earbuds adopt ANC noise reduction technology block out up to a maximum 30dB and Ear caps prevent 90% noise going to ear . so you can fully enjoy your playlists, podcasts, or favorite artists. 🎵 Transparency Mode - this wilress Bluetooth earphone has a transparency mod that lest outside in so you can hear and interact with the world around you. You can clearly hear the announcement of the airline or subway and what is saying around you without taking off the headphones. 🎵 Long Battery Life — Listen for up to 8 hours on a single charge. The charging case provides an additional 32 hours and charges via the included USB-C cable . 🎵 Latest Bluetooth 5.2 Tech & Waterproof - This Cirtek bluetooth ear buds use the latest Bluetooth 5.2 dual-channel transmission,providing faster connection speed, more stable transmission, lower power consumption ; Also, the earbuds are IPX6-rated waterproof can withstand sweat, water, and some inclement weather 🎵 Game Mode - Activate Gaming Mode to boost the earbuds’ wireless performance during competitive games and be quicker to aim or react with audio and video that’s more in sync,60ms Low Latency Connection makes your game experience more realistic ,more fun.