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electrocardiogram measurement
Frequency response range: 20-20000HZ
Heart rate chip: support
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Communication function: not supported
Bluetooth Headset Wireless Bluetooth Headset Sports Color:Black electrocardiogram measurementProduct information: Transmission range: 10 meters Function: battery display, call function, NFC function, voice control, music support, multi point connection Bluetooth protocol: 5. 0 Channel: stereo How to use: earplug style Single or dual ear: bilateral stereo Color: black, X9 white Packing list: Bluetooth earphone Remarks: Product volume 8. 1 cm * 10. 1 cm * 3. 2 cm
