Bluetooth Headset Transparent Machine Compartment Wireless Two-ear Low-latency Game Headset Features: Transparent appearance, semi-in-ear comfortable wearing, intelligent noise reduction, pure black glue sound quality, V5.3 Bluetooth, semi-in-ear call noise reduction. Pure low frequency, listening to . The strength of sound quality is more than that. The optimized diving low frequency is powerful, more rhythmic and . The medium frequency is soft and smooth, and the high frequency is extended and clear. The titanium dome makes the treble have exquisite resolution, and can hear the lip and tooth sounds that cannot be resolved by ordinary speakers. PEEK composite film makes the bass low. Semi-ear type, the angle of gold slanting into the ear can well fit the human auricle and ear canal, play a stable and not easy to fall effect and bring a more comfortable wearing experience. The advanced version of Bluetooth 5.3 has a transmission speed of 2 times as fast as 5.0 and a transmission distance of 4 times. It can also effectively resist 2.4GHz band interference, which is really fast, stable and low power consumption. Product Description: Parameters: Connection range: ≤ 12m Material: ABS+PC Bluetooth version: 5.3 Horn diameter: 13mm Horn sensitivity: 115+3dB Horn frequency response range: 20Hz~20KHz Signal-to-noise ratio:>70 Headphone weight: about 3g * 2 Headphone battery capacity: 30mAh Continuous playback time: about 5 hours Continuous talk time: about 4 hours Headphone charging time: about 1 hour contain: 1x headset 1x charging cable 1x instructions