Fillinlight Wireless Headphone for smart phone i7 tws single ear version wholesale cheap price

 Model Number: i7
BT Version: 4.1+EDR
Transmission Distance: 10m (no obstacle)
Frequency Response Range: 20Hz-20KHz
Impedance: 32Ω
Mic Sensitivity: -42dB
Multi-point Connection: Support
Battery Capacity: 45mAh
Charging Time: about 1-2 hours
Music Play Time: about 3-4 hours
Standby Time: about 120 hours
Color: Black, White (Optional)
Earphone Size: Approx. 4.7 * 1.8 * 1.8cm / 1.85 * 0.70 * 0.70in
Earphone Weight: Approx. 4g / 0.14oz
Package Size: Approx. 11 * 8 * 4cm / 4.33 * 3.14 * 1.57in
Package Weight: 48g / 1.69oz