This is a junk item that powers on, but no sound can be heard. It hasn't been used much, so the main unit is still in very good condition. If you can repair it yourself, please consider it! audio−technica ATH-CK3TW BL HEADPHONE TYPE: IN EAR/MICRO IN EAR: Yes True Wireless: TRUE WIRELESS WIRED: NO WIRED WIRELESS color: BLUE Cordless Type: Additional HP Driver Unit: Dynamic Band Type: Inner Ear Type Headset Attribute: Mobile Phone Headphone Type: Sealed HP Microphone: Yes Transmission Type: Bluetooth Voice Assistant Function: Yes #audio−technica #audio−technica Color: Blue Connection Type: Wireless