Green Lion Echo ANC Wireless HeadphoneDescription The Green Lion Echo ANC Wireless Headphone is all you need to feel your music. This headphone has active noise cancellation, which helps you enjoy and listen to music much better and feel every single beat. It is wireless and can be wired by using an AUX input, which makes it able to connect to your computer much easier. The Echo ANC Wireless Headphone can play continuously for 36 or 25 hours with ANC and Bluetooth mode on. The Green Lion