-Colors: Black， White， Silver， Gold<br />-Gender: Unisex<br />-Bluetooth Version: 4.1<br />-Mode: In Ear<br />-Sound Channel: Stereo<br />-Plug: USB<br />-Chargable: Yes<br />-Earphone Overall Length: 58.7cm/23.11inch<br />-USB Cable Overall Length: 27.6c