It's not just a earphone But the voice and true wireless you enjoy. Colour

Bluetooth version: 4.1   

Profile: A2DP, AVRCP, HSP, HFP

RF Carrier frequency: 2402-2480 MHz

Range: 10 Meters


Diameter: Φ14.2mm

Impedance: 32Ω

Frequency response: 20Hz - 20KHz    

Sensitivity: 98 ± 3dB


Mic Spec:3.7*2.2*1.1mm,MEMS Mic

Sensitivity:-42 ± 3dB


Battery Spec: 3.7V 95mAh polymer lithium battery     
Battery size: 50*12*20 mm       
Battery lifetime: 300 times ( discharging capacity ≥ 80%)

Product size:           600*45*30mm

Weight:               18g (spare unit without packaging)

Working voltage:        3.7 V

Low power indication:    3.4 V

Working time:          about 5 hours

Charging voltage:        DC 5V

Charging port:          Micro USB Port

Charging time:          1-2 hours

Auto off standby time:    5 minutes

Multi-points:           can connect two devices at the same time

Battery display:         support IOS system power display

Premium HD sound

Secure and stable fit

Lightweight and comfortable

About 5H playback time

Water and sweat resistant

Sound isolating in-ear stereo earbuds with built-in mic

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