BT65 Over-Ear Active Noise Reduction Wireless Bluetooth Headset(Black)

1. Bluetooth 5.4 chip, high-speed transmission is one step faster, no sensory delay, smoother movie and game viewing, and more stable signal.2. High-fidelity composite diaphragm, more outstanding sound quality.3. Lightweight body, comfortable and stress-free to wear.4. Folding design makes the headset smaller and easier to carry.5. Multiple bending tests, sturdy and durable, upgraded metal arm, higher durability.6. Full mode compatibility, support Bluetooth + SD card + cable insertion.Product Parameters:1. Bluetooth standard: V5.42. Wireless range: about 10m3. Waterproof level: IPX-44. Frequency response: 20Hz-20KHz5. Speaker sensitivity: 110dB+/-3dB6. Microphone sensitivity: -58dB7. Battery capacity (mAh): 300mAh8. Charging time: about 2 hours9. Use time: about 8-12 hours