Product details of Wireless Bluetooth Sport Stereo Earphone For iOS & Android
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Connectivity: Wireless
Connection Port: USB
Bluetooth version: V4.1+EDR
Frequency Response Range:20-20khz
Music playing time: 4 hours
Talking time: 5 hours;
Charging time: 1-2 hours
Charging input voltage: DC 5V 500mAh;
Sensitivity:≥100±2db
Signal Noise Ratio:≥80db;
Impedance: 2 x 16Ω