Zealot B38 Over-Ear Noise Reduction Bluetooth Earphone(Black)

Parameters1. Bluetooth version: V5.22. Connection range: 10m3. Speaker size: 40mm x 24. Charging voltage: DC 5V5. Signal-to-noise ratio: 90dB6. Working voltage: 3.7V7. Frequency range: 20Hz-20KHz8. Battery capacity: 250mAh9. Product size: 168x189x82mm10. Product weight: 208gFeatures1. Foldable design, light and beautiful, soft and skin-friendly, comfortable to wear.2. Use Bluetooth 5.2 chip to improve the anti-interference ability of the chip in complex environments, with lower power consumption and faster transmission.3. Built-in large-capacity lithium battery brings long-lasting battery life, and is equipped with a low-power Bluetooth chip to get rid of battery anxiety.4. The headset is equipped with Al call noise reduction algorithm, which accurately picks up human voices and reduces environmental noise. No matter where you are, voice calls are clear and smooth.5. The use of intelligent noise reduction technology can reduce environmental noise. The fully enclosed design has better sealing and can