Received item. Unused. Unopened, but opened for photography. Operation not confirmed. Connection type...Wireless 30ms Low Latency Game Mode: It starts with the sound coming into your ears and the display synchronizing. The wireless earbuds have a latency of 30ms, so you can easily master every movement in the game. Bluetooth 5.2 Music Mode: Powerful bass, quiet mid-range, and clear treble. Vivid music details. Bluetooth gaming earphones are equipped with a Bluetooth 5.2 chip, which improves connection speed, expands coverage, and achieves excellent connection stability and fast audio transmission. Microphone ENC Noise Canceling: The Bluetooth earphones are equipped with a directional ENC noise-canceling microphone, which reduces ambient noise and supports hands-free calls, as well as providing clear call quality, so they can also be used for phone calls (web conferences). Fast Charging: It only takes 1.5 hours to fully charge the Bluetooth earphones. They can be used for 6 hours when using the gaming earphones, and 22 hours when using the charging case. Supports USB-C charging. The battery level is indicated by the color of the LED. Perfect for business, web conferences, telework, commuting, school, walking, driving, sports, etc. Convenient Touch Operation: Easily switch between game mode and music mode. With the smart touch design, you can perform operations such as answering and rejecting calls, playing/pausing, calling Siri, previous/next song, and increasing/decreasing volume by lightly touching the sensor button. [Operate with the Shark Arsenal app] Customize button functions to suit your habits, set the equalizer in the app to create songs, and easily on the go.