Call: 015535139 / Whatsapp-Viber: 9843734542 1. the color burst table asymmetrical round ear shell design, unique unilateral twist hanging arm structure, a strong sense of design outbreak 2.support Volume control,last song/Next song 3.high fidelity sound quality, Deep bass effect. 4.support for playback mode: Bluetooth mode (wireless connection mobile music) Bluetooth or wired mode free to switch 5.built-in 800mAh cobalt lithium-ion battery, 40% volume environment continuous playback time