Used only a few times. Like new. Color: Black Copper Battery: Both earbuds lasted about 4 hours of continuous music playback without running out of charge. Noise canceling, external sound mode, etc., all work perfectly. The case battery shows no degradation. Operation confirmed, no issues. No functional problems whatsoever. Contents: Earbuds and charging case, included ear fins & ear tips & charging cable True Wireless Stereo Earphones MOMENTUM True Wireless 4 MTW4 Black Copper Brand: SENNHEISER MOMENTUM (SENNHEISER) Z20