Vertux BB-8 Gaming Headset – Tri-Mode Connectivity, 50mm Drivers, Retractable Mic, 80H Bluetooth PlaytimeConnectivity: Bluetooth 5. 3, 2. 4GHz Wireless, Wired (3. 5mm AUX) Speaker Drivers: 50mm Speaker Frequency Response: 20Hz 20kHz Microphone: Retractable Omni directional Microphone Frequency Response: 100Hz 10kHz Microphone Sensitivity: 42dB 3dB Battery Capacity: 1000mAh Li Polymer Charging Time: Approximately 3 hours Playback Time: Up to 80 hours (Bluetooth mode at 60% volume), up to 40 hours (2. 4GHz mode at 60% volume) Standby Time: 500 hours Audio