KZ Z1 1DD Dynamic True Wireless Bluetooth 5.0 Sports In-ear Earphone(Black)

1. Through the correct ergonomic wearing, it can not only improve the wearing comfort, ensure that it is not swollen and painful for a long time, but also improve the overall sound insulation and noise reduction effect of the earphone when using it, effectively reduce external interference noise, and immerse in the enjoyment of music.2. When entering the game, tap three consecutive taps to immediately turn on the high-performance mode. The operation is that simple.3. The polymer diaphragm has good toughness and rigidity, fatigue resistance comparable to alloy materials, rapid response speed like lightning, rich sound details, clear and delicate texture, and achieves fine and accurate restoration of details and phases.4. Bluetooth version: 5.05. Bluetooth transmission range: 20m6. Sensitivity: 115dB7. Frequency response: 20-20kHz8. Headphone battery capacity: 30mAh9. Charging bay battery capacity: 400mAh10. Use time: 2 hours11. Standby time of charging