Bluetooth connection: Supports Bluetooth V5.0, with an effective connection range of 10 meters. Features Bluetooth memory function, allowing automatic reconnection to the device for reuse. Key Operations: The button on the outside of the left ear cup supports double-clicking to answer/end calls and switch between Chinese and English prompt tones; the right button supports short pressing for volume up/down and long pressing for next/previous track; the toggle switch below the ear cup controls power on/off. Indicator light: It is constantly red during charging and turns off when fully charged; it emits a warning sound when the battery is low. Technical Specifications Audio performance: 40mm speaker driver, frequency response 20Hz-20KHz, sensitivity 110dB±3dB, impedance 32 ohms±15%; supports AUX wired audio input. Battery Life and Charging: Battery capacity of 300mAh, playback duration of 9 hours, standby time of 100 hours; charging time is approximately 2.5 hours, supports 5V⎓500mA charging. Other: Equipped with a microphone, sensitivity -42dB±3dB, supports call noise reduction. Game Scenario: Compatible with MOBA, FPS, and other games, supports 7.1 virtual channels (requires device compatibility), and features low-latency transmission to reduce audio-video synchronization issues.