Turn up the volume on your style and your tunes with these wireless earbuds from citizen. Bluetoothâ® v5. 0 allows you to connect to your smart phone. With 10. 0mm copper ring speakers, these earbuds include music, call, voice assistant and call number functions. Enjoy 3-4 hours of music playing time or 4-5 hours of talk time, with a 120-hour standby time. Noise cancellation filters out ambient noise for a better listening experience. Choose to charge wirelessly or using the included usb charger for convenience and ease. The abs+ wheat straw material is an environmentally friendly resource that helps to reduce the amount of plastics used while reusing natural sources. We are an authorized citizen dealer.