Lightweight and compact wireless earphones, capable of up to 6 hours of continuous playback. I opened the package, but they didn't fit, so they are unused. - Brand: AudioComm - Type: Wireless Earphones - Color: Black/White - Connectivity: Bluetooth - Continuous Playback Time: Up to 6 hours - Weight: 10g - Built-in Microphone: Yes - Controller: Yes Also listed on other platforms besides Mercari. Please note that the listing may be removed without notice.