bluetooth Version 5.0, Charging Time (h) 1-2h, Microphone Yes, Earphone: 60mAh*2, 3.7V, 3.7V, Working Time (h) 4-6h, Transmission Distance 10m, Battery Capacity Charging box: 2200mAh, Receive Sensitivity 90dB, Impedance 16Ω, Frequency Response 20-20kHz.
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Banggood
Warehouse in China.
Link: Havit I93 TWS Earbuds
$35.09 with coupon: AFfbG10
Additional Banggood coupons:
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