X4 Bone Conduction Bluetooth EarphoneSpecifications: With Microphone: Yes Wireless Type: bluetooth Waterproof: Yes Volume Control: No Support Memory Card: No Style: Ear Hook Sensitivity: 42dB Resistance: 30 Model Number: X4 Magnet Type: Other Impedance Range: up to 32 Frequency Response Range: 20 20000Hz Earcups Type: Sealed Control Button: Yes Connectors: USB Charging Method: Cable Bluetooth Version: 5. 0 Battery: 150mah Noise Cancellation: No Package Content: 1 x User Manual 1 x
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