Easily switch between single and dual-ear modes. These earbuds only weigh 4g but feature complex acoustic technology. Enjoy your songs but also receive important signals around you by switching on the Ambient Sound Mode. Download our Edifier Connect App for more adjustment options. The built-in ANC technology brings you an environmentally soundproof listening experience. Any external noises can be easily filtered out while listening to music. The Gaming mode lets you enjoy mobile games with a low latency of around 80ms. Don't worry about any outdoor activities thanks to the IP54 dust and waterproof feature. Make clear crystal calls with the dual-microphone function.