Edifier W820NB Active Noise Cancelling Bluetooth Headphones, Wireless Over Ear Bluetooth Headphones - Hi-Res Audio - 49H Playtime - Over-ear style, Memory Foam Ear Cups, for Travel, Home Office

【Hybrid Active Noise Cancelling Technology】 This new wireless headphones reduce noise by upto 38db. This amplifies your music listening experience while cutting out unwanted noise. 【Hi-Res Audio Certified】 Approved by JAS and are completed with Hi-Res audio standards. Built with a large dynamic titanized composite diaphragm driver and produce crystal clear sound that's rich in details. AAC decoding supported. 【Clear Phone Calls】 Edifier W820nb Noise Cancelling Headphones is equipped with voice call noise cancellation technology, so that you can make smooth and complete natural dialogue. 【Long-Lasting Battery】 The wireless noise cancelling headphones are completed with a long-lasting battery that is efficient and gives you upto 49 hours of playback time(tested in the lab). 【Ambient and Gaming Mode】Ambient mode enables you to stay alert to your surroundings while listening to your music. Gaming mode has low latency as low as 80ms and there is a perfect synchronization between sound and images.