Best Heart Rate Monitor Earpiece T21
Bluetooth Version: 5.0
Bluetooth Chipset: QCC3020
Operating Distance: >10M
Battery : Earbuds 60mah * 2 + charge box 600mah
Playing Time: ~6hrs*5
Charge Time: ～2 hours
Driver Unit: φ 8mm*2
Frequency Response: 20Hz- 20kHz
Light Weight: 15g
Heart Rate Monitor
FDA Standards Accuracy (optional)
Heart Rate Monitor's Earbuds
Earbuds with gel silicone earbuds to ensure your headphones stay comfortably firm in place to guarantee fatigue free ears and tangle free comfort.
Switch between music and answering the phone automatically. Control all music functions (previous / next track, volume up / down, play / pause) and calls (answer / reject / hang / mute) easily through the buttons of the headphones.
Leather and Fibre material, charging time battery is 500mAh, charge time is 2 hours.
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